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