Subject
Geology, Stratigraphic
26
Geology
15
Formations (Geology)
6
Stratigraphic correlation
6
Coal Geology
4
Sedimentation and deposition
3
Green River Formation
2
Mesaverde Group
2
Almond Formation (Wyo.)
1
Blair Formation (Wyo.)
1
Borings
1
Electric prospecting
1
Fox Hills Formation
1
Geology, Stratigraphic Nomenclature
1
Heavy minerals
1
Lithofacies
1
Mass-wasting
1
Mines and mineral resources
1
Oil-shales
1
Paleoclimatology
1
Petroleum Geology
1
Sandstone
1
Sedimentary rocks
1
Sedimentary structures
1
Sedimentology
1
Shorelines
1
Wasatch Formation
1