Major Structural Features (0)
Quaternary Pinedale and Bull Lake Deposits (1)
Pre-Bull Lake Age Quaternary Deposits (2)
Quaternary Pre-Bull Lake Age Terraces (3)
Neogene Volcanic (4)
Neogene Intrusive Dikes (5)
Neogene Intrusive (6)
Neogene-Paleogene Sedimentary (7)
Paleogene Volcanic (8)
Paleogene Intrusive Dikes (9)
Paleogene Intrusive (10)
Paleogene-Cretaceous Intrusive Dikes (11)
Paleogene-Cretaceous Intrusives (12)
Paleogene-Cretaceous Laramide Synorogenic Sedimentary (13)
Upper-Cretaceous Sedimentary Laramide Basins (14)
Cretaceous Seaway Sedimentary (15)
Mesozoic Sedimentary (16)
Permian-Pennsylvanian Ancestral Rockies Synorogenic Sediments (17)
Mississippian-Cambrian Carbonates (18)
Precambrian Undifferentiated (19)
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