Preliminary digital model of ground-water flow in the Madison Group, Powder River Basin and adjacent areas, Wyoming, Montana, South Dakota, North Dakota, and Nebraska /
by Leonard F. Konikow.

APA Citation

Konikow, L. F. (1976). Preliminary digital model of ground-water flow in the Madison Group, Powder River Basin and adjacent areas, Wyoming, Montana, South Dakota, North Dakota, and Nebraska. Denver, Colo.: U.S. Geological Survey, Water Resources Division.

MLA Citation

Konikow, Leonard F. Preliminary Digital Model of Ground-water Flow In the Madison Group, Powder River Basin And Adjacent Areas, Wyoming, Montana, South Dakota, North Dakota, And Nebraska. Denver, Colo.: U.S. Geological Survey, Water Resources Division, 1976.