Glacial map of North America
compiled and edited by a committee of the Division of Geology and Geography, National Research Council
Kart Engelsk 1949 National Research Council (U.S.)
| Utgitt | New York : Geological Society of America , 1949
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| Omfang | 1 kart i 2 kartbl. : kol.
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| Utgave | 1. utg. 1945
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| Opplysninger | "Base prepared by the Bureau of Geology and Topography, Mines and Geology Branch, Department of Mines and Resources, Ottawa, largely under a grant from the American Geographical Society of New York.". - Sections of map separately titled: (Part 1) Western half.--(Part 1) Eastern half.
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| Emner |
