01060cam a22002531 4500 gs 50000031 DLC 20260227111356.0 761206s1949 xx ab 000 0 eng gs 50000031 (OCoLC)2601089 DLC UU UU OCoLC DLC premarc QE87 .A2 no. 15 553/.64 Wells, Clayton J. Hickory Valley phosphate deposit in Independence County, Arkansas, with especial reference to economic possibilities of North Arkansas phosphate region, by Clayton J. Wells. Including preliminary geologic map of central part of Batesville manganese district, Arkansas, prepared by the United States Geological Survey, 1949. Little Rock, 1949. 37 p. illus., fold. map. 23 cm. Arkansas Resources and Development Commission. Division of Geology. Bulletin 15 Selected bibliography. Phosphates Arkansas Independence County. Geological Survey (U.S.) 28432 28432