Mines in St. Johns, Duval, Flagler, Nassau, Clay, Putnam County, Florida

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St. Johns, Duval, Flagler, Nassau, Clay, Putnam County, Florida has 1 mine and mineral deposit locations documented in federal records from the USGS and MSHA. The most commonly recorded commodity is phosphorus-phosphates, with 1 sites. The table below lists all recorded mines in the county with links to individual site details.

All Mines in St. Johns, Duval, Flagler, Nassau, Clay, Putnam County

MineCommodityTypeStatusSource
Northeast Florida Phosphate DepositPhosphorus-PhosphatesSurfaceProspectMRDS