TY  - BOOK
AU  - Alden,William C.
TI  - Physiography and glacial geology of eastern Montana and adjacent areas
T2  - Geological Survey (U.S.). Geological Survey professional paper
AV  - QE75 .P9 no. 174
PY  - 1932///
CY  - Washington
PB  - U.S. Gov't. Print. Off.
KW  - Physical geography
KW  - Montana
KW  - Glacial epoch
N1  - At head of title: United States Dept. of the Interior; Folded map, in 2 sheets, in pocket; Includes bibliographical references
ER  -