Metals -- Refining
Subject
Subject Source: Library of Congress Subject Headings
Found in 1 Collection or Record:
United States Bureau of Mines Arizona Mining Films
Collection — Box 1
Identifier: MS-706
Abstract
Films, undated, of copper mining, refining, leaching and smelting in Arizona by the United States Bureau of Mines at locations owned by the Phelps Dodge Corporation.
Dates:
undated