Reference | {Reserve-Resource:: M9C4 = M1C1}{Reserve-Resource:: MATRIX 9 COLUMN 4 EQUALS MATRIX 1 COLUMN 1}{Reserve-Resource:: NATURAL IRON ORE}{Reserve-Resource:: MINERAL RESOURCES RESEARCH CENTER. MINNESOTA MINING}{Reserve-Resource:: DIRECTORY - 1981, ED. BY W. D. TRETHEWAY. UNIV. OF MINN.,}{Reserve-Resource:: MINNEAPOLIS, MINN., 1981, P. 120.} |