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Spatial Coverage
- Wyoming[remove]11
- Carbon County3
- Fort Union Formation.2
- Utah2
- Albany County1
- Carbon County.1
- Colorado1
- Fort Union Formation1
- Fremont County1
- Goshen County1
- Idaho1
- Lincoln County1
- Medicine Bow Mountains (Colo. and Wyo.)1
- Montana, Western1
- Natrona County1
- Natrona County (Wyo.)1
- Platte County1
- Rich County1
- South Dakota1
- Sweetwater County1
