|Description: Map of Coal Regions of United States. Coded to show amounts of iron ore mined in tons. |
Place Names: Boston, Chicago, Houston, Los Angeles, Miami, New Orleans, New York, San Diego, Seattle, Washington D.C.
ISO Topic Categories: oceans, inlandWaters, location
Keywords: Iron Ore, iron ore, physical, statistical, physical features, industry, oceans, inlandWaters, location, Unknown,
Source: Horace S. Tarbell, LL.D., The Complete Geography (New York, NY: American Book Company, 1899) 40
Map Credit: Courtesy The Private Collection of Roy Winkelman