Geology of the Elliston region, Powell and Lewis and Clark counties, Montana : a description of rocks and structures in the region of the imbricate front of the Sapphire thrust plate, from a reconnaissance study /
Schmidt, R. G.,-1983.
Denver, CO : U.S. Geological Survey ; Washington : U.S. G.P.O. [distributor],
1993.
Includes bibliographical references.
Geology