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KENNECOTT SMELTER AND MINE THE LARGEST OPENPIT COPPER MINE IN THE WORLD NARA .tif Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor McAllister Bruce Photographer File KENNECOTTSMELTERANDMINETHELARGESTOPENPITCOPPERMINEINTHEWORLDNARA tif tif File KENNECOTTSMELTERANDMINETHELARGESTOPENPITCOPPERMINEINTHEWORLDNARA