Description: A 1916 map showing the average length of the crop-growing season in the United States. Place Names: ISO Topic Categories: boundaries, farming, location, oceans, inlandWaters Keywords: Crop Growing Season, physical, statistical, political, physical features, country borders, major political subdivisions, agriculture, boundaries, farming, location, oceans, inlandWaters, Unknown, Source: Albert Perry Bidgham & Charles T. McFarlane, Essentials of Geography (New York, NY: American Book Company, 1916) 42 Map Credit: Courtesy The Private Collection of Roy Winkelman |
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