Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 15.00 ft
Unit: Deforest
System
Quaternary
Series
Holocene Series
Group
Formation
Deforest
Member
Submember
Start Depth
0.00 ft
End Depth
15.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Silt
Percent
100
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 15.00 ft
End Depth: 30.00 ft
Unit: Deforest
System
Quaternary
Series
Holocene Series
Group
Formation
Deforest
Member
Submember
Start Depth
15.00 ft
End Depth
30.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Clay
Percent
100
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 30.00 ft
End Depth: 45.00 ft
Unit: Deforest
System
Quaternary
Series
Holocene Series
Group
Formation
Deforest
Member
Submember
Start Depth
30.00 ft
End Depth
45.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Silt
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 45.00 ft
End Depth: 55.00 ft
Unit: Noah Creek
System
Quaternary
Series
Pleistocene Series
Group
Wisconsinan Episode
Formation
Noah Creek
Member
Submember
Start Depth
45.00 ft
End Depth
55.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sand And Gravel
Percent
100
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 55.00 ft
End Depth: 100.00 ft
Unit: Quaternary
System
Quaternary
Series
Group
Formation
Member
Submember
Start Depth
55.00 ft
End Depth
100.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Clay
Percent
100
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 100.00 ft
End Depth: 165.00 ft
Unit: Quaternary
System
Quaternary
Series
Group
Formation
Member
Submember
Start Depth
100.00 ft
End Depth
165.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Clay
Percent
0
Secondary Lithology
Silt
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 165.00 ft
End Depth: 210.00 ft
Unit: Salt & Pepper Sands
System
Tertiary
Series
Group
Formation
Salt & Pepper Sands
Member
Submember
Start Depth
165.00 ft
End Depth
210.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Bedrock Surface - Complete Penetration, No Gaps
Primary Lithology
Sand
Percent
100
Secondary Lithology
Clay
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 210.00 ft
End Depth: 270.00 ft
Unit: Dakota
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Dakota
Member
Submember
Start Depth
210.00 ft
End Depth
270.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Bedrock Surface - Partial Penetration (Base Not Met), No Gap At Top
Primary Lithology
Sandstone
Percent
0
Secondary Lithology
Shale
Percent
0
Tertiary Lithology
Percent
0
Comments