Description: A map of the North American ice sheets, showing the extent of ice during the glacial period, and the extent of ice sheets in 1916.
Place Names: Canada, Mexico, United States, Cuba, Bahamas
ISO Topic Categories: boundaries, geoscientificInformation, inlandWaters, location, oceans
Keywords: North American Ice Sheets, political, physical, physical features, geological, major political subdivisions, country borders, boundaries, geoscientificInformation, inlandWaters, location, oceans, Unknown,
Source: Albert Perry Bidgham & Charles T. McFarlane, Essentials of Geography (New York, NY: American Book Company, 1916) 20
Map Credit: Courtesy The Private Collection of Roy Winkelman |
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