01320cam a22003491 4500 gs 66000306 DLC 20260227111420.0 780712s1966 dcub b f000 0 eng gs 66000306 (OCoLC)4047533 DLC OClU OCoLC DLC premarc QE75 .B9 no. 1240 TN914.S6 H3 Copy 2. 553/.64 Harrington, James Foster, 1916- Sources of fertilizer minerals in South America, a preliminary study, by J. F. Harrington, D. E. Ward and V. E. McKelvey. Washington, U.S. Govt. Print. Off., 1966. v, 66 p. fold. map (in pocket) 24 cm. Geological Survey (U.S.). Bulletin, 1240 "Geology and technology of fertilizer-mineral deposits of phosphates, potash, and sulfur and suggestions for further exploration in South America." Bibliography: p.64-66. Mines and mineral resources South America Geology, Economic South America Fertilizers. Phosphates South America Potash Sulfur Ward, Dwight Edward, 1916- joint author. McKelvey, V. E. (Vincent Ellis), 1916- joint author. 30273 30273