Description: The metal production and mining regions of the United States in 1916. Place Names: Minerals, meta ISO Topic Categories: boundaries,
location,
geoscientificInformation Keywords: Metal and Mining , physical, political, statistical, mining, kResources, physical features, country borders, industry, boundaries,
location,
geoscientificInformation, Unknown, 1916 Source: Albert Perry Brigham & Charles T. McFarlane, Essentials of Geography (New York, NY: American Book Company, 1916) 168 Map Credit: Courtesy the private collection of Roy Winkelman |
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