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  • Tags: calcium

ONP00008.jpg
A table of measurements of various dissolved substances found in Lake Apopka, gathered from random points across the surface of the lake in March 1961, September 1961, and January 1962.

ONP00002.jpg
A U.S. Department of the Interior, Water Resources Division survey of Lake Apopka's water quality. This data was collected at Winter Garden, Florida, in 1959 and 1961. Winter Garden is located on the southern shore of Lake Apopka.