Hydrology of area 59 :
Northern Great Plains, and Rocky Mountain coal provinces, Colorado and Wyoming /
by Neville G. Gaggiani ... [et al.].

APA Citation

Gaggiani, N. G., Geological Survey (U.S.). (1987). Hydrology of area 59: Northern Great Plains, and Rocky Mountain coal provinces, Colorado and Wyoming. Lakewood, Colo.: Dept. of the Interior, U.S. Geological Survey.

MLA Citation

Gaggiani, Neville G, and Geological Survey (U.S.). Hydrology of Area 59: Northern Great Plains, And Rocky Mountain Coal Provinces, Colorado And Wyoming. Lakewood, Colo.: Dept. of the Interior, U.S. Geological Survey, 1987.

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