Description: A map from 1910 of the United States showing the primary manufacturing districts at the time. The map is keyed to show areas where the averaged value of products of manufacture per square mile ranges from less than $1,000 per square mile to $100,000 and over, based on 1910 dollars.
Place Names: Industry, manufacturin
ISO Topic Categories: boundaries,
inlandWaters,
location,
oceans,
economy
Keywords: Manufacturing Districts in the United States, physical, political, statistical, kIndustry, physical features, country borders,
major political subdivisions, industry, boundaries,
inlandWaters,
location,
oceans,
economy, Unknown, 1910
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) 191
Map Credit: Courtesy the private collection of Roy Winkelman |
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