| Reference | {Deposit:: OFFICE OF ORE EST MINES DIRECTORY U OF MN 19}{Deposit:: HANNA IRON ORE DIVN ET AL}{Reserve-Resource:: MINERAL RESOURCES RESEARCH CENTER. MINNESOTA MINING}{Reserve-Resource:: DIRECTORY - 1981, ED. BY W. D. TRETHEWAY. UNIV. OF MINN.,}{Reserve-Resource:: MINNEAPOLIS, MINN., P. 52} |