Data set of world phosphate mines, deposits, and occurrences-- Part A. Geologic Data; Part B. Location and Mineral Economic Data

Online link http://pubs.usgs.gov/of/2002/0156/
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
Metadata Questions and answers