Editore: US Dept. Of Interior, Bureau of Mines, Washington, DC, 1970
Da: Xochi's Bookstore & Gallery, Truth or consequences, NM, U.S.A.
Paper Back. Condizione: Very Good. No Jacket. 76pp.; SC staple-bound; green w/blk.; some rub w/spine&edges sunned; ink#,ft.cover; clean,tight pgs. Bureau of Mines Information Circular 8459. "The southeastern phosphate industry is investigated to determine its role in supplying the United States and world phosphate demand.".