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Map

Harvard Style

Blair WN, Page NJ, Johnson MG, cartographers. 1977. Map

      and list of reported occurrences of platinum-group metals in

      the conterminous United States [demographic map]. Reston

     (VA): Geological Survey.

Vancouver and Citation-Name Styles

1. Blair WN, Page NJ, Johnson MG, cartographers. Map and list

         of reported occurrences of platinum-group metals in the

         conterminous United States [demographic map]. Reston

         (VA); 1977.