Description: Map of the United States showing the Surface Structure and Isothermal Lines. Place Names: Boston, Chicago, Houston, Los Angeles, Miami, New Orleans, New York, San Diego, Seattle, Washington D.C. ISO Topic Categories: oceans, location, inlandWaters Keywords: Physical Map of the United States showing the Surface Structure and Isothermal Lines, meteorological, winds, winds, oceans, location, inlandWaters, Unknown, Source: Edwin J. Houston, A. M., The Elements of Physical Geography (Philadelphia, PA: Eldredge & Brother, 1891) 141 Map Credit: Courtesy The Private Collection of Roy Winkelman |
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