May, Alexander. Assessment of environmental impacts associated with phosphogypsum in Florida by A. May and J.W. Sweeney - Washington U.S. Dept. of the Interior, Bureau of Mines [1982] - 19p. ill. 28 cm - Report of investigations 8639 . Subjects--Topical Terms: Phosphogypsum--Environmental aspects--Florida Dewey Class. No.: 622 s