Ground-water resources and geology of northern and central Johnson County, Wyoming /
by Harold A. Whitcomb, T. Ray Cummings, and Richard A. McCullough.
- Washington : U.S. Govt. Print. Off., 1966.
- v, 90 p., [2] leaves of plates : ill., fold. maps ; 24 cm.
- Geological Survey water-supply paper ; 1806 .
Part of illustrative matter fold., col., in pocket. "Prepared in cooperation with the Wyoming State Engineer."
With: Ground-water resources of Sheridan County, Wyoming / by Marlin E. Lowry and T. Ray Cummings. Washington : Govt. Print. Off., 1966. Bound together subsequent to publication.