TY - BOOK AU - Harrington,James Foster AU - Ward,Dwight Edward AU - McKelvey,V.E. TI - Sources of fertilizer minerals in South America,: a preliminary study, AV - QE75 .B9 no. 1240 U1 - 553/.64 PY - 1966/// CY - Washington PB - U.S. Govt. Print. Off. KW - Mines and mineral resources KW - South America KW - Geology, Economic KW - Fertilizers KW - Phosphates KW - Potash KW - Sulfur N1 - "Geology and technology of fertilizer-mineral deposits of phosphates, potash, and sulfur and suggestions for further exploration in South America."; Bibliography: p.64-66 ER -