Description: "Production of mercury, arsenic, and bauxite (aluminum ore) in the United States in 1918 ...Size of block is proportional to percentage of total production of the United States; percentage indicated also by figures. A cross represents less than 1/2 per cent." — Department of the Interior, 1921
Place Names: Minerals, Boston, Chicago, Houston, Los Angeles, New Orleans, New York, San Diego, Seattle, Washington D.C., Tallahassee, St. Augustine, mercury, arsenic, bauxite,
ISO Topic Categories: boundaries,
economy,
inlandWaters,
oceans
Keywords: Production of Mercury, Arsenic, and Bauxite in the United States, physical, political, statistical, kResources, physical features,
geological, country borders, industry,
economic, boundaries,
economy,
inlandWaters,
oceans, Unknown, 1918
Source: Department of the Interior , World Atlas of Commercial Geology (Washington, DC: Department of the Interior , 1921) Plate 64
Map Credit: Courtesy the private collection of Roy Winkelman |
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