Ground-water in eastern and central Montana - Perry, Eugene S. (Eugene Sheridan), 1892- (Butte, Mont., Montana School of Mines, 1931)
At head of title: State of Montana. M. A. Brannon, Chancellor, the University of Montana. Bureau of Mines and Geology. Francis A. Thomson, Director.
Autographed from type-written copy.
Keywords: Groundwater -- Montana; Water-supply -- Montana