Description: Iron ore mining regions of the United States. Place Names: Alabama, West Virginia, Colorado, Pennsylvania, ISO Topic Categories: boundaries, economy, inlandWaters, location, oceans, geoscientificInformation Keywords: Iron Mining Regions of the United States, physical, statistical, physical features, industry, boundaries, economy, inlandWaters, location, oceans, geoscientificInformation, Unknown, 1904 Source: Alexis Everett Frye, Elements of Geography (Boston, Massachusetts: Ginn and Company, 1904) 77 Map Credit: Courtesy The Private Collection of Roy Winkelman |
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