USGS Geologic Map: Eastern Beaver Divide-Gas Hills Area, Wyoming 
Description: Geologic map of the Eastern Beaver Divide-Gas Hills Area, Fremont and Natrona Counties, Wyoming
Publisher: U.S. Geological Survey 
Map: OM-180
Print Date: 1956
Scale: 1:63,360
Format: Folded
Media: One-sided paper map with color graphics.