by Marvin A. Crist
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Ground-water resources of Natrona County...
Selenium in waters in and adjacent to th...
Hydrologic conditions in the Wheatland F...
Effect of pumpage on ground-water levels...
Computer program and data listing for tw...
Drinking water
Water resources
The cost of living
Ground-water quality beneath irrigated c...
U.S. Department of the Interior investig...
The Felton-Herron Creek, Mill Creek pilo...