Phosphate Investigation in Florida, 1934 and 1935
Subtitle: Investigation Made by the Geological Survey Under Grants From the Federal Emergency Administration of Public Works : Contributions to Economic Geology, 1938-9.
Contributors: Roundy, P.V.
Series: U.S. Geological Survey bulletin -- 906F
Publisher: s.n
Published: 1940
Place of publication: S.l
Language: eng
Notes: 1