Orthophosphate Load in Pounds per Mile Squared, 1975
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Description: This map shows the dissolved orthophosphate loads of Florida streams in pounds per mile squared, May 1966. The black arrows show orthophosphate discharged to the sea in thousands of pounds per day. Please see the article Generalized Distribution and Concentration of Orthophosphate in Florida Streams Matthew I. Kaufman for more information. Source: U. S. Geological Survey, Bureau of Geology, Florida Department of Natural Resources , Florida Water Atlas (Tallahassee, FL: Bureau of Geology, 1976) Map Credit: Courtesy the University of South Florida Library