Good, P. C.
Direct preparation of phosphoric acid from intermediate-grade western phosphatic shale / by Philip C. Good, T. N. Goff, and C. B. Daellenbach. - Pittsburgh, Panama : U.S. Dept. of the Interior, Bureau of Mines, 1981. - 12 p. : ill. - Report of investigations ; 8534 . - Report of investigations (United States. Bureau of Mines) ; 8534. .
91036130
Phosphoric acid.
Phosphate rock.
Direct preparation of phosphoric acid from intermediate-grade western phosphatic shale / by Philip C. Good, T. N. Goff, and C. B. Daellenbach. - Pittsburgh, Panama : U.S. Dept. of the Interior, Bureau of Mines, 1981. - 12 p. : ill. - Report of investigations ; 8534 . - Report of investigations (United States. Bureau of Mines) ; 8534. .
91036130
Phosphoric acid.
Phosphate rock.