Florida Memory is administered by the Florida Department of State, Division of Library and Information Services, Bureau of Archives and Records Management. The digitized records on Florida Memory come from the collections of the State Archives of Florida and the special collections of the State Library of Florida.
State Archives of Florida
Phosphate mine in the Bone Valley Formation region.
The Bone Valley is a region of Central Florida primarily centered in the 4 counties of: Hardee, Hillsborough, Manatee and Polk in which phosphate is mined for use in the production of fertilizer.
Chicago Manual of Style
Phosphate mine in the Bone Valley Formation region. 20th century. State Archives of Florida, Florida Memory. <https://www.floridamemory.com/items/show/141763>, accessed 17 September 2021.
Phosphate mine in the Bone Valley Formation region. 20th century. State Archives of Florida, Florida Memory. Accessed 17 Sep. 2021.<https://www.floridamemory.com/items/show/141763>.