Description: This is a map of the United States showing the annual rainfall in inches. It reveals the rainfall level by shading from blank which is 0 to 10 inches to heavily shaded which is over 60 inches.
Source: Ellsworth D. Foster ed., The American Educator Vol. 8 (Chicago, IL: Ralph Durham Company, 1921) 3677
Map Credit: Courtesy the private collection of Roy Winkelman. |
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