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(browse)ScienceBase CatalogUSGS Denver Library Photographic CollectionMining hard rock phosphate, C. & J. Camp, five miles from Dunnellon. Marion, Levy & Citrus counties, Florida. 1919.

Mining hard rock phosphate, C. & J. Camp, five miles from Dunnellon. Marion, Levy & Citrus counties, Florida. 1919. [Folder View]

Mining hard rock phosphate, C. & J. Camp, five miles from Dunnellon. Showing dredge in pit and washer on bank. Florida. March 5, 1919.