1940. Base map from U.S. Geological Survey state map.; Data corrected to May 1, 1940. Scale 1:500,000. 1 inch = 1.789 miles; Modified polyconic projection. The Administration.
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1893. Cartographic Details: Scale 1:1,520,640 ; 1 in. = 24 miles (E 65°--E 75°/N 37°--N 25°). Date from previous call number. Insets: The Hazara Valley a... Chapman & Hall ; London.