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ANTHRACITE COAL MINED IN 1916

Book ID
121114467
Publisher
American Association for the Advancement of Science
Year
1917
Tongue
English
Weight
111 KB
Volume
46
Category
Article
ISSN
0036-8075

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THE zINC smelters of the United States are divided into two groups, -~iz.: (I) those which make high-grade spelter from special ores, this group including the New Jersey Zinc Company, and the Bertha Mineral Company, producing at Bethlehem and Palmerton, Penna., arid Pulaski, Va., spelter fro~m the r