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Ground-water resources and geology of northern and western Crook County, Wyoming /

By Whitcomb, Harold A.,.
Washington, D.C. : U.S. G.P.O., 1964 .
v, 92 p. : , Two folded maps in pocket. | Prepared in cooperation with the State Engineer of Wyoming. 24 cm..

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Ground-water resources and geology of Niobrara County, Wyoming /

By Whitcomb, Harold A.,.
Washington : U.S. Govt. Print. Off., 1965 .
v, 101 p. : , Part of illustrative matter fold. in pocket. 24 cm..

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Ground-water resources and geology of northern and central Johnson County, Wyoming /

By Whitcomb, Harold A.,.
Washington : U.S. Govt. Print. Off., 1966 .
v, 90 p., [2] leaves of plates : , Part of illustrative matter fold., col., in pocket. | "Prepared in cooperation with the Wyoming State Engineer." 24 cm..

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