Glacial map of North America
著者
書誌事項
Glacial map of North America
（Special paper / Geological Society of America, no. 60）
Geological Society of America, [1949]
2nd print. rev., 1949
地図資料（地図）
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注記
Scale 1:4,555,000; approx. 1 in. to 72 miles
Sections of map separately titled: (Part 1) Western half.--(Part 1) Eastern half
Relief and depths shown by contours
"Lambert conformal conic projection."
"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."
Bibliography
Includes index to "Footnotes."
Insets: Principal loess distribution in central United States.--Index map.--Glacial map of the north polar hemisphere
Accompanied by: Glacial map of North America : part 2, bibliography and explanatory notes / by Richard Foster Flint, 1945. (37 p. ; 25 cm.)
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