Description: A map of petroleum and natural gas fields in the United States in 1916. Place Names: ISO Topic Categories: boundaries, location, inlandWaters, oceans Keywords: Petroleum and Natural Gas Fields, political, statistical, country borders, major political subdivisions, industry, boundaries, location, inlandWaters, oceans, Unknown, Source: Albert Perry Bidgham & Charles T. McFarlane, Essentials of Geography (New York, NY: American Book Company, 1916) 83 Map Credit: Courtesy The Private Collection of Roy Winkelman |
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