Description: A weather map of the United States on a winter's day. The lines are lines of equal air pressure, the lower the figure, the lighter the air. The pressure is determined by an instrument called the barometer.
Place Names:
ISO Topic Categories: boundaries, inlandWaters, location, oceans, climatologyMeteorologyAtmosphere
Keywords: Winter Weather Map of the United States, physical, political, meteorological, physical features, country borders, major political subdivisions, climate, boundaries, inlandWaters, location, oceans, climatologyMeteorologyAtmosphere, Unknown,
Source: Ralph S. Tarr, B.S., F.G.S.A. and Frank M. McMurry, Ph.D., New Geographies 2nd ed (New York, NY: The Macmillan Company, 1910) 215
Map Credit: Courtesy The Private Collection of Roy Winkelman |
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