The Lawson Creek Formation of Middle Proterozoic age in east-central Idaho - Hobbs, S. W. (Samuel Warren), 1911- (Washington : U.S. Government Printing Office, : for sale by Supt. of Docs, 1980)
Bibliography: p. 12
Keywords: Geology, Stratigraphic -- Proterozoic; Geology -- Idaho -- Custer County; Geology -- Idaho -- Lemhi County; Geology -- Idaho -- Butte County