A report on the natural phosphates of Tennessee, Kentucky, and Arkansas. By William H. Waggaman ...
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TextSeries: U.S. Dept. of Agriculture. Bureau of soils. Bulletin ; no. 81Publication details: Washington, Govt. Print. Off., 1912.Description: 36 p. incl. maps, tables. IV pl. 2 l., fold. map. 23 cmSubject(s): LOC classification: - S591 .A12 no. 81
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