01073cam a22002891i 4500 gs 32000210 DLC 20260227111337.0 790319s1932 dcug f001 0 eng gs 32000210 (OCoLC)4755632 DLC CoU-DA DLC premarc QE75 .P9 no. 174 I 19.16:174 Alden, William C. (William Clinton), 1871- Physiography and glacial geology of eastern Montana and adjacent areas / by William C. Alden. Washington : U.S. Gov't. Print. Off., 1932. viii, 133 p. : ill., 51 plates (inc. fold maps) ; 29 cm. Geological Survey (U.S.). Geological Survey professional paper ; no. 174 At head of title: United States Dept. of the Interior. Folded map, in 2 sheets, in pocket. Includes bibliographical references. Physical geography Montana. Glacial epoch. Geological Survey professional paper ; no. 174. 26975 26975