Description: United States map consisting of mountains, plains, rivers, and isothermal lines. Place Names: Boston, New Orleans, New York, San Diego, Washington D.C. ISO Topic Categories: location, inlandWaters, oceans, climatologyMeteorologyAtmosphere Keywords: Mountains, Plains, Rivers, Isothermal Lines of the United States, physical, meteorological, physical features, temperature, location, inlandWaters, oceans, climatologyMeteorologyAtmosphere, Unknown, Source: D. M. Warren, Elementary Treatise on Physical Geography (Philadelphia, Pennsylvania: Cowperthwait and Co., 1873) 110 Map Credit: Courtesy The Private Collection of Roy Winkelman |
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