TY  - RPRT
TI  - Reserves of phosphate in the land-pebble phosphate field, Hardee, Hillsborough, Manatee, Osceola, Pasco, and Polk counties, Florida
AU  - James Bachelder Cathcart
AU  - C.G. Tillman
AU  - H.B. Dutro
PY  - 1951
DO  - 10.3133/tei141
UR  - https://pubs.usgs.gov/publication/tei141
ID  - tei141
ER  -