Geohydrology of bedrock aquifers in the northern Great Plains in parts of Montana, North Dakota, South Dakota, and Wyoming /
by Joe S. Downey.

APA Citation

Downey, J. S., National Regional Aquifer Systems Analysis Program (U.S.)., Geological Survey (U.S.). (1986). Geohydrology of bedrock aquifers in the northern Great Plains in parts of Montana, North Dakota, South Dakota, and Wyoming. [Reston, Va.?]: Dept. of the Interior, U.S. Geological Survey .

MLA Citation

Downey, Joe S, National Regional Aquifer Systems Analysis Program (U.S.), and Geological Survey (U.S.). Geohydrology of Bedrock Aquifers In the Northern Great Plains In Parts of Montana, North Dakota, South Dakota, And Wyoming. [Reston, Va.?]: Dept. of the Interior, U.S. Geological Survey , 1986.