TY - RPRT TI - Results of geologic exploration by core drilling, 1953, land-pebble phosphate district, Florida AU - James Bachelder Cathcart AU - L. J. McGreevy PY - 1959 DO - 10.3133/b1046k UR - https://pubs.usgs.gov/publication/b1046K ID - b1046K ER -