Subject
Geology, Stratigraphic
9
Stratigraphic correlation
9
Formations (Geology)
6
Green River Formation
6
Paleontology
4
Wasatch Formation
4
Borings
3
Geology
3
Oil-shales
2
Coal
1
Electric prospecting
1
Fort Union Formation
1
Frontier Formation
1
Green River Watershed (Wyo.-Utah)
1
Mesaverde Group
1
Trona
1