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PWTS ID
Owner Name
Drilling Company
Well Identifiers
Counties in Iowa
Select One
Adair
';
Adams
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Allamakee
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Appanoose
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Audubon
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Benton
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Black Hawk
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Boone
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Bremer
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Buchanan
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Buena Vista
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Butler
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Calhoun
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Carroll
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Cass
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Cedar
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Cerro Gordo
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Cherokee
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Chickasaw
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Clarke
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Clay
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Clayton
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Clinton
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Crawford
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Dallas
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Davis
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Decatur
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Delaware
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Des Moines
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Dickinson
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Dubuque
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Emmet
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Fayette
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Floyd
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Franklin
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Fremont
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Greene
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Grundy
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Guthrie
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Hamilton
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Hancock
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Hardin
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Harrison
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Henry
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Howard
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Humboldt
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Ida
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Iowa
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Jackson
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Jasper
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Jefferson
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Johnson
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Jones
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Keokuk
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Kossuth
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Lee
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Linn
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Louisa
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Lucas
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Lyon
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Madison
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Mahaska
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Marion
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Marshall
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Mills
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Mitchell
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Monona
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Monroe
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Montgomery
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Muscatine
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O'Brien
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Osceola
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Out of State
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Page
';
Palo Alto
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Plymouth
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Pocahontas
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Polk
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Pottawattamie
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Poweshiek
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Ringgold
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Sac
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Scott
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Shelby
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Sioux
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Story
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Tama
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Taylor
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Union
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Unknown
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Van Buren
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Wapello
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Warren
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Washington
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Wayne
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Webster
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Winnebago
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Winneshiek
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Woodbury
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Worth
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Wright
';
USGS Quadrangle
Select One
Abingdon, Iowa
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Ackley Ne, Iowa
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Ackley, Iowa
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Adair North, Iowa
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Adair South, Iowa
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Adams, Minn.-Iowa
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Adel Nw, Iowa
';
Adel, Iowa
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Adrian Sw, Minn.-Iowa
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Afton, Iowa
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Agency, Iowa
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Ainsworth, Iowa
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Akron, Iowa-S. Dak.
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Akron, Mo.-Iowa
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Albaton, Iowa-Nebr.
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Albert City, Iowa
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Albia, Iowa
';
Alcester Ne, S. Dak.-Iowa
';
Alcester Se, S. Dak.-Iowa
';
Alexander, Iowa
';
Algona, Iowa
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Allerton, Iowa
';
Allison, Iowa
';
Alloway Creek, Iowa
';
Alpha, Iowa
';
Alta, Iowa
';
Alton, Iowa
';
Altoona, Iowa
';
Alvord, Iowa
';
Amana, Iowa
';
Ames East, Iowa
';
Ames Nw, Iowa
';
Ames West, Iowa
';
Amish, Iowa
';
Anamosa Ne, Iowa
';
Anamosa, Iowa
';
Andalusia, Ill.-Iowa
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Andover, Iowa
';
Andrew, Iowa
';
Anita Sw, Iowa
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Anita, Iowa
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Anson, Mo.-Iowa
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Aplington, Iowa
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Arbor Hill, Iowa
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Arcadia, Iowa
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Argyle, Iowa-Mo.
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Arispe, Iowa
';
Arlington, Iowa
';
Armstrong Se, Iowa
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Armstrong, Iowa
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Ash Creek, Minn.-Iowa
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Ashton, Iowa
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Atalissa, Iowa
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Atlantic Sw, Iowa
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Atlantic, Iowa
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Attica, Iowa
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Audubon, Iowa
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Aurelia, Iowa
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Aureola, Iowa
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Avery, Iowa
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Avoca Nw, Iowa
';
Avoca Se, Iowa
';
Avoca, Iowa
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Ayrshire, Iowa
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Azen, Mo.-Iowa
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Bagley Nw, Iowa
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Bagley, Iowa
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Bagley, Wis.-Iowa
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Baldwin, Iowa
';
Balltown, Wis.-Iowa
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Bancroft, Iowa
';
Barnes City, Iowa
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Bassett, Iowa
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Battle Creek, Iowa
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Baxter Se, Iowa
';
Baxter, Iowa
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Bayard, Iowa
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Bedford Sw, Iowa-Mo.
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Bedford, Iowa
';
Beebeetown, Iowa
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Beech, Iowa
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Belle Plaine Sw, Iowa
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Belle Plaine, Iowa
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Bellevue, Iowa-Ill.
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Belmond, Iowa
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Bennett, Iowa
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Benton, Iowa
';
Berkley, Iowa
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Bernard, Iowa
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Bertram, Iowa
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Bigelow, Minn.-Iowa
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Bingham, Iowa
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Blackhawk, Ill.-Iowa
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Blairsburg, Iowa
';
Blairstown, Iowa
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Blakesburg Ne, Iowa
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Blakesburg, Iowa
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Blanchard Island, Ill.-Iowa
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Blanchard, Iowa-Mo.
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Blencoe, Iowa
';
Blockton Se, Iowa-Mo.
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Blockton, Iowa-Mo.
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Bloomfield North, Iowa
';
Bloomfield South, Iowa
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Bluffton, Iowa
';
Bode, Iowa
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Bonaparte, Iowa
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Boone East, Iowa
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Boone West, Iowa
';
Boxholm, Iowa
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Boyden, Iowa
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Boyer, Iowa
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Bradgate, Iowa
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Brandon, Iowa
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Brandon, S. Dak.-Iowa
';
Breda, Iowa
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Bremer, Iowa
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Bricelyn, Minn.-Iowa
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Bridgewater, Iowa
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Brighton, Iowa
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Bristol, Iowa
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Britt, Iowa
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Brock, Mo.-Iowa
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Brooklyn, Iowa
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Brooks, Iowa
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Brookville, Iowa
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Brunsville, Iowa
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Buckeye East, Iowa
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Buckeye West, Iowa
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Buckingham, Iowa
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Buffalo Center Ne, Iowa
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Buffalo Center Sw, Iowa
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Buffalo Center, Iowa
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Bunker Hill, Mo.-Iowa
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Burchinal, Iowa
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Burlington, Iowa-Ill.
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Burr Oak, Iowa
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Burt, Iowa
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Butler Center, Iowa
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Buxton, Iowa
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Cairo, Iowa
';
Calmar, Iowa
';
Camanche, Iowa-Ill.
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Canby, Iowa
';
Canton, Iowa
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Canton, Minn.-Iowa
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Canton, S. Dak.-Iowa
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Cantril, Iowa
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Carbon, Iowa
';
Carpenter, Iowa
';
Carroll East, Iowa
';
Carroll Ne, Iowa
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Carroll West, Iowa
';
Carson Ne, Iowa
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Carson, Iowa
';
Cascade, Iowa
';
Casey, Iowa
';
Cassville, Wis.-Iowa
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Castalia, Iowa
';
Castana, Iowa
';
Cedar Bluff, Iowa
';
Cedar Falls, Iowa
';
Cedar Rapids North, Iowa
';
Cedar Rapids South, Iowa
';
Center Point Nw, Iowa
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Center Point Sw, Iowa
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Center Point, Iowa
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Centerville East, Iowa
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Centerville West, Iowa
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Central City, Iowa
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Ceylon, Minn.-Iowa
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Chariton, Iowa
';
Charles City, Iowa
';
Charter Oak, Iowa
';
Chatsworth, S. Dak.-Iowa
';
Chelsea, Iowa
';
Cheney, Iowa
';
Cherokee North, Iowa
';
Cherokee South, Iowa
';
Cherry Grove, Minn.-Iowa
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Chillicothe, Iowa
';
Church, Iowa
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Churdan, Iowa
';
Clare, Iowa
';
Clarence, Iowa
';
Clarinda North, Iowa
';
Clarinda South, Iowa
';
Clarion Sw, Iowa
';
Clarion, Iowa
';
Clarksville, Iowa
';
Clayton, Iowa-Wis.
';
Clear Lake East, Iowa
';
Clear Lake West, Iowa
';
Clearfield, Iowa
';
Clearmont, Mo.-Iowa
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Cleghorn, Iowa
';
Cleopatra, Mo.-Iowa
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Climbing Hill, Iowa
';
Clinton Nw, Iowa-Ill.
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Clinton, Iowa-Ill.
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Clio, Iowa
';
Cloverdale, Iowa
';
Clutier, Iowa
';
Coatsville, Mo.-Iowa
';
Coburg, Iowa
';
Coggon, Iowa
';
Coin, Iowa
';
Colesburg, Iowa
';
Colfax, Iowa
';
Collins, Iowa
';
Colo, Iowa
';
Columbus Junction, Iowa
';
Colwell, Iowa
';
Commerce, Iowa
';
Confidence, Iowa
';
Conger, Minn.-Iowa
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Conrad East, Iowa
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Conrad West, Iowa
';
Conroy, Iowa
';
Conway, Iowa
';
Coon Rapids Ne, Iowa
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Coon Rapids North, Iowa
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Coon Rapids South, Iowa
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Cooper, Iowa
';
Cordova, Ill.-Iowa
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Corley, Iowa
';
Cornelia, Iowa
';
Corning North, Iowa
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Corning South, Iowa
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Correctionville Nw, Iowa
';
Correctionville Se, Iowa
';
Correctionville, Iowa
';
Corwith, Iowa
';
Corydon Ne, Iowa
';
Corydon, Iowa
';
Coster, Iowa
';
Cotter, Iowa
';
Coulter, Iowa
';
Council Bluffs North, Iowa-Nebr.
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Council Bluffs South, Iowa-Nebr.
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Crawfordsville, Iowa
';
Cresco Ne, Iowa
';
Cresco Nw, Iowa
';
Cresco Se, Iowa
';
Cresco Sw, Iowa
';
Creston East, Iowa
';
Creston West, Iowa
';
Croton, Iowa-Mo.
';
Crystal Lake, Iowa
';
Cumming, Iowa
';
Cushing, Iowa
';
Cylinder, Iowa
';
Dallas Center, Iowa
';
Dallas City, Iowa-Ill.
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Danbury, Iowa
';
Danville, Iowa
';
Davenport East, Iowa-Ill.
';
Davenport West, Iowa
';
Davis City, Iowa
';
Dawson, Iowa
';
De Soto, Wis.-Iowa
';
De Witt, Iowa
';
Decorah, Iowa
';
Dedham, Iowa
';
Deep River, Iowa
';
Defiance, Iowa
';
Delmar North, Iowa
';
Delmar South, Iowa
';
Delta, Iowa
';
Denison Sw, Iowa
';
Denison, Iowa
';
Denver, Iowa
';
Depew, Iowa
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Derby, Iowa
';
Des Moines Ne, Iowa
';
Des Moines Nw, Iowa
';
Des Moines Se, Iowa
';
Des Moines Sw, Iowa
';
Dewey, Iowa
';
Diagonal, Iowa
';
Dickens, Iowa
';
Dike, Iowa
';
Dixon, Iowa
';
Dolliver, Iowa
';
Donahue, Iowa
';
Donnellson, Iowa
';
Doon, Iowa
';
Dorchester, Iowa
';
Douds, Iowa
';
Dougherty, Iowa
';
Dow City, Iowa
';
Dows East, Iowa
';
Dows West, Iowa
';
Dubuque North, Iowa-Wis.-Ill.
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Dubuque South, Iowa-Ill.
';
Dumont North, Iowa
';
Dumont South, Iowa
';
Duncan, Iowa
';
Duncombe, Iowa
';
Dundee, Iowa
';
Dunkerton, Iowa
';
Dunlap Ne, Iowa
';
Dunlap Nw, Iowa
';
Dunlap Sw, Iowa
';
Dunlap, Iowa
';
Dunnell, Minn.-Iowa
';
Durant, Iowa
';
Dyersville East, Iowa
';
Dyersville West, Iowa
';
Dysart, Iowa
';
Eagle Center, Iowa
';
Eagle Grove Sw, Iowa
';
Eagle Grove, Iowa
';
Earlham East, Iowa
';
Earlham West, Iowa
';
Earling Ne, Iowa
';
Earling, Iowa
';
Earlville, Iowa
';
Early, Iowa
';
East Chain, Minn.-Iowa
';
East Peru, Iowa
';
Eastman, Wis.-Iowa
';
Eddyville, Iowa
';
Edgewood, Iowa
';
Edna, Iowa
';
Eitzen, Minn.-Iowa
';
Elberon, Iowa
';
Eldon, Iowa
';
Eldora, Iowa
';
Eldridge, Iowa
';
Elgin, Iowa
';
Elk Horn, Iowa
';
Elk Point Ne, Iowa-S. Dak
';
Elk Point, S. Dak.-Nebr.-Iowa
';
Elkader, Iowa
';
Elkhart, Iowa
';
Ellston, Iowa
';
Ellsworth, Iowa
';
Ellsworth, Minn.-Iowa
';
Elma, Iowa
';
Elmore, Minn.-Iowa
';
Elwood, Iowa
';
Ely, Iowa
';
Emerson, Iowa
';
Emmetsburg, Iowa
';
Emmons, Minn.-Iowa
';
Epworth, Iowa
';
Estherville, Iowa
';
Evanston, Iowa
';
Everly, Iowa
';
Exira East, Iowa
';
Exira West, Iowa
';
Fairbank, Iowa
';
Fairfax, Iowa
';
Fairfield North, Iowa
';
Fairfield South, Iowa
';
Fairview, Iowa-S. Dak.
';
Farmers City, Mo.-Iowa
';
Farmersburg, Iowa
';
Farmington, Iowa
';
Farnhamville, Iowa
';
Farragut, Iowa
';
Farson, Iowa
';
Fayette, Iowa
';
Fenton, Iowa
';
Ferryville, Wis.-Iowa
';
Fertile Ne, Iowa
';
Fertile Se, Iowa
';
Fertile, Iowa
';
Festina, Iowa
';
Fielding, Iowa
';
Fillmore, Iowa
';
Floris, Iowa
';
Floyd, Iowa
';
Fonda Ne, Iowa
';
Fonda, Iowa
';
Fontanelle Sw, Iowa
';
Fontanelle, Iowa
';
Forest City, Iowa
';
Fort Atkinson, Iowa
';
Fort Calhoun, Nebr.-Iowa
';
Fort Dodge North, Iowa
';
Fort Dodge South, Iowa
';
Fort Madison, Iowa-Ill.
';
Frankville, Iowa
';
Fraser, Iowa
';
Fredericksburg, Iowa
';
Frederika, Iowa
';
Freeport, Iowa
';
Fremont, Iowa
';
Frost, Minn.-Iowa
';
Fulton, Iowa
';
Galena, Ill.-Iowa
';
Galva, Iowa
';
Garber, Iowa
';
Garden Grove Sw, Iowa
';
Garden Grove, Iowa
';
Gardner, Iowa
';
Garnavillo, Iowa
';
Garner, Iowa
';
Garrison, Iowa
';
Garwin, Iowa
';
Gaza, Iowa
';
Genoa, Wis.-Minn.-Iowa
';
George East, Iowa
';
George West, Iowa
';
German Valley, Iowa
';
Giard, Iowa
';
Gibson, Iowa
';
Gilbertville, Iowa
';
Gillette Grove, Iowa
';
Gilman, Iowa
';
Gilmore City Sw, Iowa
';
Gilmore City, Iowa
';
Gladbrook Ne, Iowa
';
Gladbrook Se, Iowa
';
Gladbrook, Iowa
';
Glenville, Minn.-Iowa
';
Glenwood, Iowa
';
Glidden, Iowa
';
Goodell, Iowa
';
Goose Lake, Iowa
';
Gowrie, Iowa
';
Graettinger East, Iowa
';
Graettinger West, Iowa
';
Grafton, Iowa
';
Grand Junction, Iowa
';
Grand Mound, Iowa
';
Grand River, Iowa
';
Granger, Iowa
';
Grant City, Iowa
';
Grant, Iowa
';
Granville East, Iowa
';
Granville West, Iowa
';
Gravity, Iowa
';
Gray, Iowa
';
Greeley, Iowa
';
Green Island, Iowa-Ill.
';
Greene, Iowa
';
Greenfield, Iowa
';
Greenleafton, Minn.-Iowa
';
Greenville, Iowa
';
Grimes, Iowa
';
Grinnell North, Iowa
';
Grinnell South, Iowa
';
Griswold Ne, Iowa
';
Griswold, Iowa
';
Grundy Center, Iowa
';
Gruver, Iowa
';
Gunder, Iowa
';
Guss, Iowa
';
Guthrie Center East, Iowa
';
Guthrie Center West, Iowa
';
Guttenberg, Wis.-Iowa
';
Hamburg, Mo.-Iowa-Nebr.
';
Hamilton, Ill.-Iowa
';
Hampton North, Iowa
';
Hampton South, Iowa
';
Hanford, Iowa
';
Hanover, Iowa
';
Hansell, Iowa
';
Harcourt, Iowa
';
Hard Scratch, Iowa
';
Hardy, Iowa
';
Harlan, Iowa
';
Harmony, Minn.-Iowa
';
Harper, Iowa
';
Harpers Ferry, Iowa-Wis.
';
Harris, Iowa
';
Hartford, Iowa
';
Hartley Sw, Iowa
';
Hartley, Iowa
';
Hartwick, Iowa
';
Harvey, Iowa
';
Hatfield, Mo.-Iowa
';
Havelock, Iowa
';
Hawarden N, Iowa-S. Dak.
';
Hawarden S, Iowa-S. Dak.
';
Hawkeye, Iowa
';
Hawleyville, Iowa
';
Hayfield, Iowa
';
Hazleton, Iowa
';
Hedrick, Iowa
';
Hiattsville, Iowa
';
Highlandville, Iowa
';
Hills, Iowa
';
Hills, Minn.-Iowa
';
Hillsboro, Iowa
';
Hinton, Iowa
';
Hiteman, Iowa
';
Hobarton, Iowa
';
Holbrook, Iowa
';
Holland, Iowa
';
Holmes, Iowa
';
Holstein Sw, Iowa
';
Holstein, Iowa
';
Holy Cross, Iowa
';
Homer, Nebr.-Iowa
';
Honey Creek, Iowa
';
Hopeville, Iowa
';
Hopkins Sw, Mo.-Iowa
';
Hopkins, Mo.-Iowa
';
Hopkinton East, Iowa
';
Hopkinton West, Iowa
';
Hornick, Iowa
';
Hospers, Iowa
';
Hubbard, Iowa
';
Hudson, Iowa
';
Hull, Iowa
';
Humboldt, Iowa
';
Humeston, Iowa
';
Huxley, Iowa
';
Iconium, Iowa
';
Ida Grove Nw, Iowa
';
Ida Grove, Iowa
';
Illinois City, Iowa-Ill.
';
Imogene, Iowa
';
Independence, Iowa
';
Indianola, Iowa
';
Ingham Lake, Iowa
';
Inwood, Iowa
';
Ionia, Iowa
';
Iowa City East, Iowa
';
Iowa City West, Iowa
';
Iowa Falls East, Iowa
';
Iowa Falls West, Iowa
';
Ireton Sw, Iowa
';
Ireton, Iowa
';
Irwin, Iowa
';
Ivester, Iowa
';
Jackson, Minn.-Iowa
';
Jacksonville, Iowa
';
James, Iowa
';
Jamison, Iowa
';
Jefferson East, Iowa
';
Jefferson West, Iowa
';
Jefferson, S. Dak.-Nebr.-Iowa
';
Jerico, Iowa
';
Jesup, Iowa
';
Jewell, Iowa
';
Joy, Ill.-Iowa
';
Julian, Nebr.-Mo.-Iowa
';
Kalona, Iowa
';
Kanawha Se, Iowa
';
Kanawha, Iowa
';
Keithsburg, Ill.-Iowa
';
Kellerton, Iowa
';
Kellogg, Iowa
';
Kent, Iowa
';
Keokuk, Iowa-Mo.-Ill.
';
Keosauqua, Iowa
';
Keota, Iowa
';
Keswick, Iowa
';
Keystone North, Iowa
';
Keystone South, Iowa
';
Kiester, Minn.-Iowa
';
Kilduff, Iowa
';
Kilwinning, Mo.-Iowa
';
Kimballton, Iowa
';
Kingsley Nw, Iowa
';
Kingsley, Iowa
';
Kingston, Iowa-Ill.
';
Kinross, Iowa
';
Kirkville, Iowa
';
Kiron, Iowa
';
Klondike, Iowa-S. Dak.
';
Knierem, Iowa
';
Knoxville Nw, Iowa
';
Knoxville Sw, Iowa
';
Knoxville, Iowa
';
La Moille, Iowa
';
La Motte, Iowa
';
La Porte City, Iowa
';
Lacelle, Iowa
';
Lacona, Iowa
';
Ladoga, Iowa
';
Ladora, Iowa
';
Lafayette, Iowa
';
Lake City, Iowa
';
Lake Mills, Iowa
';
Lake Park Se, Iowa
';
Lake Park, Iowa
';
Lake Thunderhead, Mo.-Iowa
';
Lake View, Iowa
';
Lakefield Se, Minn.-Iowa
';
Lakefield Sw, Minn.-Iowa
';
Lakeside, Iowa
';
Lakota, Iowa
';
Lamoni North, Iowa
';
Lamoni South, Iowa-Mo.
';
Lamont, Iowa
';
Lancaster, Mo.-Iowa
';
Lanesboro, Iowa
';
Lansing, Iowa-Wis.
';
Lanyon, Iowa
';
Larchwood, Iowa
';
Latimer, Iowa
';
Laurel, Iowa
';
Laurens, Iowa
';
Lawler, Iowa
';
Lawton, Iowa
';
Le Grand, Iowa
';
Le Mars, Iowa
';
Le Roy, Iowa
';
Le Roy, Minn.-Iowa
';
Lebanon, Iowa
';
Ledyard, Iowa
';
Lehigh, Iowa
';
Leighton, Iowa
';
Leisure Lake, Iowa
';
Lenox, Iowa
';
Leon, Iowa
';
Lester, Iowa
';
Letts, Iowa
';
Lewis, Iowa
';
Libertyville, Iowa
';
Lime City, Iowa
';
Lime Springs Nw, Iowa
';
Lime Springs, Iowa
';
Lincoln, Iowa
';
Lineville, Mo.-Iowa
';
Little Cedar, Iowa
';
Little Rock, Iowa
';
Little Sioux, Iowa-Nebr.
';
Littleport, Iowa
';
Littleton, Iowa
';
Livermore, Iowa
';
Lockridge East, Iowa
';
Lockridge West, Iowa
';
Logan, Iowa
';
Lohrville, Iowa
';
Lomax, Ill.-Iowa
';
London, Minn.-Iowa
';
Lone Rock, Iowa
';
Lone Tree, Iowa
';
Lorimor North, Iowa
';
Lorimor South, Iowa
';
Loring, Iowa
';
Lost Nation, Iowa
';
Lourdes, Iowa
';
Loveland, Iowa-Nebr.
';
Lovilia, Iowa
';
Lowden, Iowa
';
Lowell, Iowa
';
Lu Verne, Iowa
';
Lucas, Iowa
';
Luther, Iowa
';
Luton, Iowa
';
Lyle, Minn.-Iowa
';
Lytton, Iowa
';
Mabel, Minn.-Iowa
';
Mackey, Iowa
';
Macksburg, Iowa
';
Macy, Nebr.-Iowa
';
Madrid Nw, Iowa
';
Malcolm, Iowa
';
Mallard, Iowa
';
Malone, Iowa
';
Maloy, Iowa
';
Malvern, Iowa
';
Manchester, Iowa
';
Manilla, Iowa
';
Manly, Iowa
';
Manning Se, Iowa
';
Manning, Iowa
';
Manson, Iowa
';
Mapleton Se, Iowa
';
Mapleton, Iowa
';
Maquoketa, Iowa
';
Marcus, Iowa
';
Marengo, Iowa
';
Marion, Iowa
';
Marshalltown, Iowa
';
Martensdale, Iowa
';
Mason City Se, Iowa
';
Mason City, Iowa
';
Masonville, Iowa
';
Massena, Iowa
';
Matlock, Iowa
';
Maurice, Iowa
';
Maxwell, Iowa
';
May City, Iowa
';
Maynard, Iowa
';
Mc Callsburg, Iowa
';
Mc Causland, Iowa
';
Mc Clelland, Iowa
';
Mc Elroy Creek, Mo.-Iowa
';
Mc Intire, Iowa
';
Mc Paul, Iowa-Nebr.
';
Mechanicsville, Iowa
';
Mediapolis, Iowa
';
Medora, Iowa
';
Melbourne, Iowa
';
Melcher, Iowa
';
Melrose, Iowa
';
Melvin, Iowa
';
Mendota, Mo.-Iowa
';
Menlo, Iowa
';
Menominee, Ill.-Iowa
';
Merle Junction, Iowa
';
Middle Amana, Iowa
';
Milan, Ill.-Iowa
';
Miles, Iowa
';
Milford, Iowa
';
Miller, Iowa
';
Millersburg, Iowa
';
Millnerville, Iowa
';
Milo, Iowa
';
Milton, Iowa
';
Mineola, Iowa
';
Mingo, Iowa
';
Missouri Valley Nw, Iowa
';
Missouri Valley, Iowa-Nebr.
';
Mitchellville, Iowa
';
Modale, Iowa-Nebr.
';
Mondamin, Iowa-Nebr.
';
Monona, Iowa
';
Monroe, Iowa
';
Montezuma, Iowa
';
Monticello, Iowa
';
Montour, Iowa
';
Montpelier, Iowa-Ill.
';
Moorhead Nw, Iowa
';
Moorhead Se, Iowa
';
Moorhead, Iowa
';
Moorland, Iowa
';
Moravia, Iowa
';
Morley, Iowa
';
Morning Sun, Iowa
';
Morton Mills, Iowa
';
Moulton, Iowa
';
Mount Ayr, Iowa
';
Moville, Iowa
';
Mt. Pleasant, Iowa
';
Mt. Sterling, Mo.-Iowa
';
Mt. Vernon, Iowa
';
Mt. Zion, Iowa
';
Murray, Iowa
';
Muscatine Nw, Iowa
';
Muscatine, Iowa-Ill.
';
Myrtle, Minn.-Iowa
';
Mystic, Iowa
';
Nashua Nw, Iowa
';
Nashua, Iowa
';
Nauvoo, Iowa-Ill.
';
Nebraska City Nw, Nebr.-Iowa
';
Nebraska City, Iowa-Nebr.
';
Nehawka, Nebr.-Iowa
';
Neola, Iowa
';
Nevada, Iowa
';
Nevinville, Iowa
';
New Albin, Iowa
';
New Hampton, Iowa
';
New Hartford, Iowa
';
New Haven, Iowa
';
New London, Iowa
';
New Market, Iowa
';
New Providence, Iowa
';
New Sharon, Iowa
';
New Vienna, Iowa
';
New Virginia, Iowa
';
Newbern, Iowa
';
Newburg, Iowa
';
Newell East, Iowa
';
Newell West, Iowa
';
Newhall, Iowa
';
Newton, Iowa
';
Nichols, Iowa
';
Niota, Ill.-Iowa
';
Nora Springs, Iowa
';
North Branch, Iowa
';
North English, Iowa
';
Northwood, Iowa
';
Norwalk, Iowa
';
Oakland Acres, Iowa
';
Oakland, Iowa
';
Oakville, Iowa
';
Ocheyedan, Iowa
';
Odebolt East, Iowa
';
Odebolt West, Iowa
';
Oelwein Se, Iowa
';
Oelwein, Iowa
';
Ogden, Iowa
';
Okoboji, Iowa
';
Olaf, Iowa
';
Ollie, Iowa
';
Olmitz, Iowa
';
Omaha North, Nebr.-Iowa
';
Omaha South, Nebr.-Iowa
';
Omaha, Mo.-Iowa
';
Onawa Sw, Iowa-Nebr.
';
Onawa, Iowa
';
Oquawka, Ill.-Iowa
';
Orange City, Iowa
';
Orchard, Iowa
';
Orient, Iowa
';
Osage Sw, Iowa
';
Osage, Iowa
';
Osceola, Iowa
';
Oskaloosa, Iowa
';
Ostrander, Minn.-Iowa
';
Otley, Iowa
';
Oto, Iowa
';
Ottumwa North, Iowa
';
Ottumwa South, Iowa
';
Owasa, Iowa
';
Oxford Junction, Iowa
';
Oxford, Iowa
';
Oyens, Iowa
';
Pacific Junction, Iowa-Nebr.
';
Palmer, Iowa
';
Panama, Iowa
';
Panora, Iowa
';
Panther, Iowa
';
Paris, Iowa
';
Parkersburg, Iowa
';
Paton, Iowa
';
Patterson, Iowa
';
Paullina, Iowa
';
Pawnee, Mo.-Iowa
';
Pekin, Iowa
';
Pella, Iowa
';
Peoria, Iowa
';
Peosta, Iowa
';
Perry, Iowa
';
Persia, Iowa
';
Petersburg, Iowa
';
Peterson Se, Iowa
';
Peterson Sw, Iowa
';
Peterson, Iowa
';
Pierson, Iowa
';
Pilot Grove, Minn.-Iowa
';
Pilot Knob, Iowa
';
Pisgah, Iowa
';
Pitzer, Iowa
';
Plainfield, Iowa
';
Plano, Iowa
';
Plattsmouth, Nebr.-Iowa
';
Pleasant Grove, Iowa
';
Pleasanton, Mo.-Iowa
';
Pleasantville, Iowa
';
Plessis, Iowa
';
Plover, Iowa
';
Pocahontas, Iowa
';
Polk City, Iowa
';
Pomeroy, Iowa
';
Popejoy, Iowa
';
Port Byron, Ill.-Iowa
';
Portsmouth, Iowa
';
Postville Nw, Iowa
';
Postville, Iowa
';
Potosi, Wis.-Iowa
';
Powersville, Mo.-Iowa
';
Prairie City, Iowa
';
Prairie Du Chien, Iowa-Wis.
';
Prairie Rose Lake, Iowa
';
Prairieburg, Iowa
';
Prescott, Iowa
';
Preston, Iowa
';
Primghar, Iowa
';
Protivin, Iowa
';
Pulaski, Iowa
';
Quasqueton, Iowa
';
Quimby Se, Iowa
';
Quimby, Iowa
';
Radcliffe, Iowa
';
Randolph, Iowa
';
Readlyn, Iowa
';
Red Oak North, Iowa
';
Red Oak South, Iowa
';
Redfield, Iowa
';
Reinbeck, Iowa
';
Rembrandt, Iowa
';
Remsen, Iowa
';
Reno, Minn.-Wis.-Iowa
';
Renwick, Iowa
';
Rhodes, Iowa
';
Riceville, Iowa
';
Richard, Iowa
';
Richland, Iowa
';
Richland, S. Dak.-Iowa
';
Ricketts, Iowa
';
Ridgeway, Iowa
';
Ringsted, Iowa
';
Rippey, Iowa
';
Rising Sun, Iowa
';
Riverside, Iowa
';
Riverton, Iowa
';
Rochester, Iowa
';
Rock Bluff, Iowa-Nebr.
';
Rock Rapids, Iowa
';
Rock Valley, Iowa
';
Rockford, Iowa
';
Rockwell City, Iowa
';
Rolfe, Iowa
';
Rose Creek, Minn.-Iowa
';
Rose Hill, Iowa
';
Roseville, Iowa
';
Rosserdale, Iowa
';
Rossville, Iowa
';
Round Lake, Minn.-Iowa
';
Royal, Iowa
';
Rudd, Iowa
';
Runnells, Iowa
';
Rush Lake East, Iowa
';
Rush Lake West, Iowa
';
Rushmore, Minn.-Iowa
';
Russell, Iowa
';
Ruthven, Iowa
';
Ryan, Iowa
';
Sac City East, Iowa
';
Sac City West, Iowa
';
Saint Joseph, Iowa
';
Saint Olaf, Iowa
';
Salem, Iowa
';
Salina, Iowa
';
Salix, Iowa-Nebr.
';
Sanborn, Iowa
';
Saratoga, Iowa
';
Saude, Iowa
';
Savanna, Iowa-Ill.
';
Schaller North, Iowa
';
Schaller South, Iowa
';
Schleswig, Iowa
';
Scotch Grove, Iowa
';
Scotch Ridge, Iowa
';
Scranton, Iowa
';
Searsboro, Iowa
';
Selma, Iowa
';
Seneca, Iowa
';
Sergeant Bluff, Iowa
';
Sexton, Iowa
';
Seymour East, Iowa
';
Seymour West, Iowa
';
Shannon City, Iowa
';
Sheffield, Iowa
';
Shelby, Iowa
';
Sheldon Creek, Iowa
';
Sheldon Se, Iowa
';
Sheldon, Iowa
';
Shell Rock, Iowa
';
Shellsburg, Iowa
';
Shenandoah East, Iowa
';
Shenandoah West, Iowa
';
Sheridan, Iowa
';
Sheridan, Mo.-Iowa
';
Sherrill, Iowa
';
Sibley East, Iowa
';
Sibley West, Iowa
';
Sidney, Iowa
';
Sigourney, Iowa
';
Silver Lake, Iowa
';
Silvis, Ill.-Iowa
';
Sioux Center, Iowa
';
Sioux City North, Iowa-S. Dak.
';
Sioux City South, Iowa-Nebr.-S. Dak
';
Sioux Rapids Se, Iowa
';
Sioux Rapids, Iowa
';
Sioux Valley, Minn.-Iowa
';
Slater, Iowa
';
Sloan, Iowa
';
Smithland, Iowa
';
Solon, Iowa
';
South English, Iowa
';
Spencer, Iowa
';
Sperry, Iowa
';
Spirit Lake Se, Iowa
';
Spirit Lake, Iowa
';
Spring Grove, Minn.-Iowa
';
Springbrook, Iowa-Ill.
';
Springville, Iowa
';
St. Ansgar, Iowa
';
St. Charles Nw, Iowa
';
St. Charles, Iowa
';
St. John, Mo.-Iowa
';
St. Lucas, Iowa
';
Stacyville, Iowa
';
Stanhope, Iowa
';
Stanley, Iowa
';
Stanton Sw, Iowa
';
Stanton, Iowa
';
Stanwood, Iowa
';
State Center Nw, Iowa
';
State Center, Iowa
';
Steamboat Rock, Iowa
';
Stockport, Iowa
';
Storm Lake Ne, Iowa
';
Storm Lake, Iowa
';
Story City, Iowa
';
Stout, Iowa
';
Stratford, Iowa
';
Strawberry Point, Iowa
';
Stuart North, Iowa
';
Stuart South, Iowa
';
Sully, Iowa
';
Sumner Sw, Iowa
';
Sumner, Iowa
';
Superior, Iowa
';
Sutherland East, Iowa
';
Sutherland West, Iowa
';
Swaledale, Iowa
';
Swea City, Iowa
';
Swedesburg, Iowa
';
Swisher, Iowa
';
Tabor Ne, Iowa
';
Tabor Sw, Iowa
';
Tabor, Iowa
';
Tama, Iowa
';
Taylor, Iowa
';
Tekamah Nw, Nebr.-Iowa
';
Tekamah, Nebr.-Iowa
';
Templeton, Iowa
';
Terril, Iowa
';
Thompson, Iowa
';
Thor, Iowa
';
Thornton, Iowa
';
Thorpe, Iowa
';
Tiffin, Iowa
';
Tingley Ne, Iowa
';
Tingley, Iowa
';
Tipton East, Iowa
';
Tipton West, Iowa
';
Titonka, Iowa
';
Toolesboro, Iowa-Ill.
';
Traer, Iowa
';
Trenton, Iowa
';
Treynor, Iowa
';
Tripoli Nw, Iowa
';
Tripoli, Iowa
';
Troy Mills, Iowa
';
Truro, Iowa
';
Turkey River, Iowa-Wis.
';
Underwood, Iowa
';
Union Center Nw, Iowa
';
Union Center Se, Iowa
';
Union Center Sw, Iowa
';
Union Center, Iowa
';
Union Mills, Iowa
';
Union, Iowa
';
Unionville, Iowa
';
Unique, Iowa
';
University Park, Iowa
';
Unknown
';
Ute, Iowa
';
Vail Ne, Iowa
';
Vail, Iowa
';
Valley Springs, Minn.-S. Dak.-Iowa
';
Van Horne, Iowa
';
Van Wert, Iowa
';
Varina, Iowa
';
Ventura Heights, Iowa
';
Victor, Iowa
';
Villisca, Iowa
';
Vincent, Iowa
';
Vinje, Iowa
';
Vinton, Iowa
';
Viola Center, Iowa
';
Volga, Iowa
';
Wadena, Iowa
';
Walcott, Iowa
';
Wales, Iowa
';
Walker, Iowa
';
Wallin, Iowa
';
Wallingford, Iowa
';
Walnut, Iowa
';
Wapello, Iowa
';
Washington, Iowa
';
Washta, Iowa
';
Waterloo North, Iowa
';
Waterloo South, Iowa
';
Waterville, Iowa
';
Waucoma, Iowa
';
Waukee, Iowa
';
Waukon Nw, Iowa
';
Waukon, Iowa
';
Waverly, Iowa
';
Wayland, Iowa
';
Wayland, Mo.-Iowa
';
Webb, Iowa
';
Webster City, Iowa
';
Weldon, Iowa
';
Weller, Iowa
';
Wellman, Iowa
';
Wellsburg, Iowa
';
Wesley, Iowa
';
West Bend Ne, Iowa
';
West Bend, Iowa
';
West Branch, Iowa
';
West Burlington, Iowa
';
West Chester, Iowa
';
West Grove, Iowa
';
West Liberty Sw, Iowa
';
West Liberty, Iowa
';
West Point, Iowa
';
West Union, Iowa
';
Westboro, Mo.-Iowa
';
What Cheer, Iowa
';
Wheatland, Iowa
';
Whittemore, Iowa
';
Wightman, Iowa
';
Wilbert, Minn.-Iowa
';
Williams, Iowa
';
Williamsburg Nw, Iowa
';
Williamsburg, Iowa
';
Williamstown, Iowa
';
Wilmert Lake, Minn.-Iowa
';
Wilmington, Minn.-Iowa
';
Wilton Junction, Iowa
';
Winfield North, Iowa
';
Winfield South, Iowa
';
Winterset, Iowa
';
Winthrop, Iowa
';
Wiota, Iowa
';
Woden, Iowa
';
Woodbine, Iowa
';
Woodburn, Iowa
';
Woodland, Iowa
';
Woodward, Iowa
';
Woolstock, Iowa
';
Worthington S, Minn.-Iowa
';
Wyoming East, Iowa
';
Wyoming West, Iowa
';
Yale, Iowa
';
Yetter, Iowa
';
Zaneta, Iowa
';
Zearing, Iowa
';
Zion, Iowa
';
Zwingle, Iowa
';
Township
Select One
T65N
';
T66N
';
T67N
';
T68N
';
T69N
';
T70N
';
T71N
';
T72N
';
T73N
';
T74N
';
T75N
';
T76N
';
T77N
';
T78N
';
T79N
';
T80N
';
T81N
';
T82N
';
T83N
';
T84N
';
T85N
';
T86N
';
T87N
';
T88N
';
T89N
';
T90N
';
T91N
';
T92N
';
T93N
';
T94N
';
T95N
';
T96N
';
T97N
';
T98N
';
T99N
';
T100N
';
Range
Select One
R7E
';
R6E
';
R5E
';
R4E
';
R3E
';
R2E
';
R1E
';
R1W
';
R2W
';
R3W
';
R4W
';
R5W
';
R6W
';
R7W
';
R8W
';
R9W
';
R10W
';
R11W
';
R12W
';
R13W
';
R14W
';
R15W
';
R16W
';
R17W
';
R18W
';
R19W
';
R20W
';
R21W
';
R22W
';
R23W
';
R24W
';
R25W
';
R26W
';
R27W
';
R28W
';
R29W
';
R30W
';
R31W
';
R32W
';
R33W
';
R34W
';
R35W
';
R36W
';
R37W
';
R38W
';
R39W
';
R40W
';
R41W
';
R42W
';
R43W
';
R44W
';
R45W
';
R46W
';
R47W
';
R48W
';
R49W
';
Section
Select One
1
';
2
';
3
';
4
';
5
';
6
';
7
';
8
';
9
';
10
';
11
';
12
';
13
';
14
';
15
';
16
';
17
';
18
';
19
';
20
';
21
';
22
';
23
';
24
';
25
';
26
';
27
';
28
';
29
';
30
';
31
';
32
';
33
';
34
';
35
';
36
';
Well Details
Total Depth Min
Total Depth Max
Drilling Date Min
Drilling Date Max
Well Type
Select One
Bridge Sounding
';
Commercial
';
Drainage
';
Exploration (Other)
';
Gas Storage
';
Geotechnical
';
Heat Pump
';
Irrigation
';
Livestock
';
Mineral Exploration
';
Monitor
';
Municipal
';
Oil Exploration
';
Other
';
Private
';
Public Supply
';
Rural Water District
';
Stratigraphic
';
Structure
';
Subdivision
';
Test (water only)
';
Unknown
';
Aquifer
Select One
Alluvium
';
Bedrock
';
Cambrian
';
Cambrian (blw St. Lawrence)
';
Cambrian-Ordovician
';
Dakota/Cretaceous
';
Devonian
';
Holding Pond
';
Mississippian
';
Ordovician
';
Ordovician (abv St. Peter)
';
Pennsylvanian
';
Pleistocene
';
Pond
';
Precambrian
';
Quaternary
';
River/Stream
';
Silurian
';
Silurian/Devonian
';
Unknown
';
Stratigraphy
Select One
Quaternary
';
--Holocene Series
';
------Deforest
';
--------Camp Creek
';
--------Roberts Creek
';
----------Turton Submember
';
----------Mullenix Submember
';
--------Gunder
';
----------Hatcher Submember
';
----------Watkins Submember
';
--------Corrington
';
--------Flack
';
--------Woden
';
--------West Okoboji
';
--Pleistocene Series
';
----Wisconsinan Episode
';
------Peoria
';
----------Silt Facies
';
----------Sand Facies
';
------Dows
';
--------Pilot Knob
';
--------Lake Mills
';
--------Morgan
';
--------Alden
';
------Noah Creek
';
------Sheldon Creek
';
------Roxana/Pisgah
';
----Illinoian Episode
';
------Loveland
';
------Glasford
';
--------Kellerville
';
----Pre-Illinoian
';
------Wolf Creek
';
--------Hickory Hills
';
--------Aurora
';
--------Winthrop
';
------Alburnett
';
------A Glacial Tills
';
----------Lava Creek B Volcanic Ash
';
------B Glacial Tills
';
----------Mesa Falls Volcanic Ash
';
----------Huckleberry Ridge Volcanic Ash
';
------C Glacial Tills
';
Tertiary
';
------Salt & Pepper Sands
';
Cretaceous
';
----"Manson"
';
----"Upper Colorado"
';
------Niobrara
';
----Fort Benton ("Lower Colorado ")
';
------Carlile Shale
';
------Greenhorn Limestone
';
------Graneros Shale
';
------Dakota
';
--------Woodbury
';
--------Nishnabotna
';
------Windrow
';
--------Ostrander
';
--------Iron Hill
';
Jurassic
';
------Fort Dodge
';
Pennsylvanian (Subsystem Of Carboniferous System)
';
----Wabaunsee
';
------Wood Siding
';
------Root
';
--------French Creek Shale
';
--------Jim Creek Limestone
';
--------Friedrich Shale
';
------Stotler
';
--------Grandhaven Limestone
';
--------Dry Shale
';
--------Dover Limestone
';
------Pillsbury
';
--------Nyman Coal
';
------Zeandale
';
--------Maple Hill Limestone
';
--------Wamego Shale
';
--------Tarkio Limestone
';
------Willard Shale
';
------Emporia
';
--------Elmont Limestone
';
--------Harveyville Shale
';
--------Reading Limestone
';
------Auburn Shale
';
------Bern
';
--------Wakarusa Limestone
';
--------Soldier Creek Shale
';
--------Burlingame Limestone
';
------Scranton
';
--------Silver Lake Shale
';
--------Rulo Limestone
';
--------Cedar Vale Shale
';
--------Elmo Coal
';
--------Happy Hollow Limestone
';
--------White Cloud Shale
';
------Howard Limestone
';
--------Utopia Limestone
';
--------Winzeler Shale
';
--------Church Limestone
';
--------Aarde Shale
';
--------Nodaway Coal
';
------Severy Shale
';
----Shawnee
';
------Topeka
';
--------Coal Creek Limestone
';
--------Holt Shale
';
--------Dubois Limestone
';
--------Turner Creek Shale
';
--------Sheldon Limestone
';
--------Jones Point Shale
';
--------Curzon Limestone
';
--------Iowa Point Shale
';
--------Hartford Limestone
';
------Calhoun Shale
';
------Deer Creek
';
--------Ervine Creek Limestone
';
--------Burroak Shale
';
--------Haynies Limestone
';
--------Larsh Shale
';
--------Rock Bluff Limestone
';
--------Oskaloosa Shale
';
--------Ozawkie Limestone
';
------Tecumseh Shale
';
------Lecompton
';
--------Avoca Limestone
';
--------King Hill Shale
';
--------Beil Limestone
';
--------Queen Hill Shale
';
--------Big Spring Limestone
';
--------Doniphan Shale
';
--------Spring Branch Limestone
';
------Kanwaka Shale
';
------Oread
';
--------Kereford Limestone
';
--------Heumader Shale
';
--------Plattsmouth Limestone
';
--------Heebner Shale
';
--------Leavenworth Limestone
';
--------Snyderville Shale
';
--------Toronto Limestone
';
----Douglas
';
------Lawrence
';
------Cass Limestone
';
--------Shoemaker Limestone
';
--------Little Pawnee Shale
';
--------Haskell Limestone
';
------Stranger
';
--------Iatan Limestone
';
--------Weston Shale
';
----Lansing
';
------South Bend Limestone
';
--------Kitaki Limestone
';
--------Gretna Shale
';
--------Little Kaw Limestone
';
------Rock Lake Shale
';
------Stanton
';
--------Stoner Limestone
';
--------Eudora Shale
';
--------Captain Creek Limestone
';
------Vilas Shale
';
------Plattsburg
';
--------Spring Hill Limestone
';
--------Hickory Creek Shale
';
--------Merriam Limestone
';
----Kansas City
';
------Lane Shale
';
------Wyandotte
';
--------Argentine Limestone
';
--------Quindaro Shale
';
------Liberty Memorial Shale
';
------Iola
';
--------Raytown Limestone
';
--------Muncie Creek Shale
';
--------Paola Limestone
';
------Chanute Shale
';
------Dewey
';
--------Cement City Limestone
';
--------Quivira Shale
';
----------Pammel Park Limestone
';
------Nellie Bly Shale
';
------Cherryvale
';
--------Westerville Limestone
';
--------Wea Shale
';
--------Block Limestone
';
--------Fontana Shale
';
----Bronson
';
------Dennis
';
--------Winterset Limestone
';
--------Stark Shale
';
--------Canville Limestone
';
------Galesburg Shale
';
------Swope
';
--------Bethany Falls Limestone
';
--------Hushpuckney Shale
';
--------Middle Creek Limestone
';
------Elm Branch Shale
';
------Hertha
';
--------Sniabar Limestone
';
--------Mound City Shale
';
--------East Peru Limestone
';
------Pleasanton
';
--------Manly-Guthrie Mountain Shale
';
----------Ovid Coal
';
--------Exline Limestone
';
------Hepler Shale
';
--------Green Valley Coal
';
----Marmaton
';
------Lost Branch
';
--------Cooper Creek Limestone
';
--------Nuyaka Creek Shale
';
--------Sni Mills Limestone
';
------Memorial Shale
';
------Lenapah
';
------Nowata Shale
';
------Altamont
';
--------Worland Limestone
';
--------Lake Neosho Shale
';
--------Amoret Limestone
';
------Bandera Shale
';
----------Farlington Limestone
';
------Pawnee
';
--------Coal City Limestone
';
--------Mine Creek Shale
';
--------Myrick Station Limestone
';
--------Anna Shale
';
------Labette
';
--------Mystic Coal
';
--------Marshall Coal
';
------Stephens Forest
';
--------Higginsville Limestone
';
--------Blackwater Creek Shale
';
--------Houx Limestone
';
----------Clanton Creek Limestone
';
--------Little Osage Shale
';
------Morgan School Shale
';
--------Summit Coal
';
------Mouse Creek
';
--------Blackjack Creek Limestone
';
--------Excello Shale
';
----Cherokee
';
------Swede Hollow
';
--------Mulky Coal
';
--------Bevier Coal
';
--------Wheeler Coal
';
--------Ardmore Limestone
';
--------Oakley Shale
';
--------Whitebreast Coal
';
------Floris
';
--------Carruthers Coal
';
--------Laddsdale Coal
';
------Spoon
';
------Kalo
';
--------Cliffland Coal
';
--------Blackoak Coal
';
------Kilbourn
';
------Caseyville
';
--------Wyoming Hill Coal
';
--------Wildcat Den Coal
';
Mississippian (Subsystem Of Carboniferous System)
';
------Pella (Ste. Genevieve)
';
------St. Louis
';
--------Waugh
';
--------Verdi
';
--------Yenruogis Sandstone
';
--------Croton
';
------Spergen
';
----Augusta
';
------Warsaw
';
------Keokuk
';
--------Bentonsport
';
--------Montrose Chert
';
------Burlington
';
--------Cedar Fork
';
--------Haight Creek
';
--------Dolbee Creek
';
----Sub-Augusta
';
------Gilmore City
';
--------Humboldt Oolite
';
--------Alden Limestone
';
--------Iowa Falls Dolomite
';
------Maynes Creek
';
--------Eagle City
';
--------Wassonville
';
----North Hill
';
------Chapin
';
------Starrs Cave
';
------Prospect Hill
';
------Mccraney
';
Devonian
';
----Yellow Spring (New Albany)
';
------Maple Mill
';
--------English River
';
--------Saverton
';
--------Grassy Creek
';
------Aplington
';
------Sheffield
';
------Sweetland Creek
';
------Lime Creek
';
--------Owen
';
--------Cerro Gordo
';
--------Juniper Hill
';
----Cedar Valley
';
------Shell Rock
';
--------Nora
';
--------Rock Grove
';
--------Mason City
';
------Lithograph City
';
--------Idlewild
';
--------Thunder Woman Shale
';
--------Andalusia
';
--------Osage Springs
';
--------State Quarry
';
------Coralville
';
--------Iowa City
';
--------Gizzard Creek
';
--------Cou Falls
';
------Little Cedar
';
--------Hinkle
';
--------Eagle Center
';
--------Chickasaw Shale
';
--------Bassett
';
--------Rapid
';
----------Curtis Bridge
';
--------Solon
';
----Wapsipinicon
';
------Pinicon Ridge
';
--------Davenport
';
--------Spring Grove
';
--------Kenwood
';
------Otis
';
--------Cedar Rapids
';
--------Coggon
';
------Spillville
';
--------Lake Meyer
';
------Bertram
';
Devonian/Ordovician Undiff.
';
Silurian
';
------Gower
';
--------Brady
';
--------Anamosa
';
--------Leclaire
';
------Laporte City
';
------Scotch Grove
';
--------Palisades-Kepler
';
--------Waubeek
';
--------Buck Creek Quarry
';
--------Welton
';
--------Johns Creek Quarry
';
------Hopkinton
';
--------Picture Rock
';
--------Farmers Creek
';
--------Marcus
';
--------Sweeney
';
------Waucoma
';
------Blanding
';
------Tete Des Morts
';
------Mosalem
';
------Tete Des Morts/Mosalem Undiff.
';
Ordovician
';
------Maquoketa
';
--------Neda
';
--------Brainard Shale
';
--------Ft. Atkinson Limestone
';
--------Clermont Shale
';
--------Clermont-Brainard Undiff.
';
--------Elgin Limestone
';
--------Scales
';
----Galena
';
------Dubuque
';
--------Littleport
';
--------Luana
';
--------Frankville
';
------Wise Lake
';
--------Stewartville
';
--------Sinsinawa
';
------Dunleith
';
--------Wyota
';
--------Wall
';
--------Sherwood
';
--------Rivoli
';
--------Mortimer
';
--------Fairplay
';
--------Eagle Point
';
--------Beecher
';
--------St. James
';
--------Buckhorn
';
------Decorah
';
--------Ion
';
--------Guttenberg
';
--------Spechts Ferry
';
------Decorah/Platteville Undiff.
';
------Decorah/Platteville/Glenwood Undiff.
';
------Platteville
';
--------Quimbys Mill
';
--------Mcgregor
';
--------Pecatonica
';
----Ancell
';
------Glenwood
';
--------Starved Rock Sandstone
';
--------Harmony Hill
';
------St. Peter Sandstone
';
--------Tonti
';
--------Readstown
';
------Winneshiek Shale
';
----Prairie Du Chien
';
------Shakopee
';
--------Willow River
';
--------New Richmond
';
------Oneota
';
Cambrian/Ordovician Undiff.
';
Cambrian
';
------Jordan
';
--------Coon Valley
';
--------Waukon
';
--------Van Oser
';
--------Norwalk
';
------St. Lawrence
';
--------Lodi
';
--------Black Earth
';
----Tunnel City
';
------Lone Rock
';
--------Reno
';
--------Tomah
';
--------Birkmose
';
------Adel
';
------Wonewoc
';
--------Ironton
';
--------Galesville
';
------Bonneterre
';
------Bonneterre/Eau Claire Undiff.
';
------Eau Claire
';
------Mt. Simon
';
Proterozoic
';
------Sioux Quartzite
';
------Washington County Quartzite
';
------Cedar Rapids Quartzite
';
------Hull Rhyolite
';
------Harris Granite
';
------Hawarden Granite
';
----Camp Quest
';
------Lemars Gneiss
';
------Matlock Banded-Iron
';
Archean
';
------Lyon County Gneiss
';
Unknown
';
------Henry
';
--------Sabula
';