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Showing: 1 to 2 of 2 matches for "Zn benefaction"  Page   1 TITLE Mineral-Dressing Study Of Manganese Ore, Cason Mine. Batesville, Ark. ? Introduction  SUMMARY ... 0.30 percent max. Copper plus lead plus zinc gj (Cu plus Pb plus Zn) •••• 1.00 percent max. 2 1/ No limit ... AUTHOR Fine, M. M. PUBLISHED 1953 TITLE History of the Institute - I - 1871-1946  SUMMARY ... TABI E 1 Conlparzson of Producrzorr of .2fe/a/s and Mznerals zn /he United Statrs rn IN71 and "Kernrd" Yec r Commodity Bituminous coal, tons. . . . . ... AUTHOR Parsons, A. B. PUBLISHED 1971 Showing: 1 to 2 of 2 matches for "Zn benefaction"  Page   1 Search Again