Author: ALDEN, W.C.
Title: Physiography and glacial geology of western Montana and adjacent areas.
Description: 1953. United States Geological Survey Prof. Pap. 231; 200 pp. 43 fig./phot, 1 plt. h.t. folding-out, 4 fold. plts. in pocket, incl. col. geol. map. Orig. cloth, gilt on spine, stamps on endpaper, very good, 4to.

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