Description: Map showing the number of gallons of milk sold from farms in 1909 by state. "On this map groups of dots generally locate large cities. In the larger black areas milk is also sold to condensaries, cheese and butter factories. Railroads carried milk to New York City from the Canadian border on the north and from near Buffalo on the west."—United States Department of Agriculture Yearbook 1922, 1923 Source: , United States Department of Agriculture Yearbook 1922 (Washington D.C., Washington D.C.: Government Printing Office, 1923) 304 Map Credit: The Private Collection of Roy Winkelman |
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