Glacial map of North America /
National Research Council (U.S.).Division of Earth Sciences.
Flint, Richard Foster,1902-1976.
Canada.Mines Branch.
Geological Society of America.
New York : Geological Society of America,
[1949]
Sections of map separately titled: (Part 1) Western half.--(Part 1) Eastern half.
Relief and depths shown by contours.
"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."
Includes bibliographical references.
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.).
Glacial landforms
Glacial epoch