World survey of the zinc industry /
Comp. under supervision of James A. Stader, chief, Mineral section, Iron and steel division, from official statistics, reports of consular officers of the State deprtment, and from other sources. With a report on United States production and trade by C.E. Siebenthal, geologist; United States Geological survey.

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Full view   no.246 University of Illinois at Urbana-Champaign