Mineralogy and chemistry of samples from drill hole in the southern extension of the Land-Pebble Phosphate District, Florida : economics of phosphate mineralogy and chemistry in an area of possible future mining /
by James B. Cathcart and Theodore Botinelly
- Washington : U.S. G.P.O., 1991
- iv, 25 p. : ill., maps ; 28 cm.
- U.S. Geological Survey bulletin ; 1978 .