ZINC Large deposit discovered. News March 80 1912 p.1 Output ranks second among metals in state. News April 30 1913 COLORADO has second place in production Repub. Jan. 3 '13 p.11 Colorado zinc mines proving bonanza Times July 28 1915 p.9 Zinc output worth is mined. Post D 1941 p.4B Rich deposit of zinc found near Leadville. Post D 1 1948 p.1
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