Books by Donald L. Coffin
Surficial geology and water re
Surficial geology and water resources of the Tobacco and upper Stillwater River valleys, northwestern Montana
Water resources of the upper Blackfoot River Valley, west-central Montana
A preliminary evaluation of ba
A preliminary evaluation of bank storage associated with Libby Reservoir in northwestern Montana
Geology and ground-water resou
Geology and ground-water resources of the Big Sandy Creek valley, Lincoln, Cheyenne, and Kiowa Counties, Colorado