TY - BOOK AU - AU - TI - Mine Investment Analysis SN - 0895204290 U1 - 622 GEN 1984 PY - 1984/// CY - New York PB - Society of Mining Engineers of American Institute of Mining, Metallurgical, and Petroleum Engineers KW - Mineral industries KW - Mines and mineral resources N1 - Includes indexs ( p. 489 -502 ) ER -