Department of the Interior: Bulletin 226: The Treatment of Manganese-Silver Ores (1925) ~ by Galen H. Clevenger, and Martinus H. Caron

Description

Department of the Interior: Bulletin 226: The Treatment of Manganese-Silver Ores

By Galen H. Clevenger, and Martinus H. Caron

Published: 1925

Fair condition, thin, green softcover.  The cover has discoloration, some scratches, writing in pencil, tiny pieces torn off, and some creasing.  Some pages have wrinkling.  The title page has writing in pencil.  Text and illustrations throughout are clean, clear, and legible.

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