World phosphate mines, deposits, and occurrences

Online link https://mrdata.usgs.gov/phosphate/
Description Geologic and mineral resource information for 1635 deposits of phosphate worldwide
Originators Chernoff, Carlotta B. and Orris, Greta J.
Publication U.S. Geological Survey Open-File Report 2002-156
General location of phosphate occurrences worldwide
General location of phosphate occurrences worldwide