Preliminary report of permafrost investigations in the Dunbar Area, Alaska

von Pewe, Troy Lewis
United States Geological Survey : circular no. 42
Washington-DC : Department of the Interior, Geological Survey, 1949.
Umfang/Format: 3 S. : 2 Ill. u. Kt.

Multiple glaciation in Alaska : a progress report

United States Geological Survey : circular no. 289
Washington-DC : Department of the Interior, Geological Survey, 1953.
Umfang/Format: 13 S. : Faltkt. ; 1 Tab.