...Phosphate resources of Florida, by George R. Mansfield.
Material type:
TextSeries: U. S. Geological survey. Bulletin 934Publication details: Washington, U.S. Govt. print off., 1942.Description: iv, 82 p. incl. illus. (diagrs.) tables. l8 fold. pl. (incl. mpas) 24 cmSubject(s): LOC classification: - QE75 .B9 no. 934
At head of title: U. S. Dept. of the interior. Harold L. Ickes, secretary. Geological survey, W. C. Mendenhall, director.
Four folded maps are in pocket.
Bibliographical foot-notes.
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