Glaciated canyon of Big Timber Creek, Crazy Mountains. Sweet Grass County, Montana. 1921.
Dates
Date Taken
1921
Summary
Glaciated canyon of Big Timber Creek, Crazy Mountains. Sweet Grass County, Montana. August 31, 1921. Plate 45-A, U.S. Geological Survey Professional paper 174. 1932.
Summary
Glaciated canyon of Big Timber Creek, Crazy Mountains. Sweet Grass County, Montana. August 31, 1921. Plate 45-A, U.S. Geological Survey Professional paper 174. 1932.
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