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Chrysotile-Asbestos Deposits of Arizona
Report issued by the U.S. Bureau of Mines discussing asbestos mining and production in Arizona. As stated in the summary, "this paper describes most of the chrysotile-asbestos deposits of Arizona. Mining methods are discussed briefly and asbestos-mill flowsheets are incorporated" (p. 1). This report includes tables, maps, illustrations, and photographs.
Date:
January 1955
Creator:
Stewart, L. A.
System:
The UNT Digital Library
Ringelmann Smoke Chart (Revision of I.C. 6888)
Revised report discussing the Ringelmann Smoke Chart, describing the history and background of the chart, its use, and how to read it.
Date:
August 1955
Creator:
Burdick, L. R. & Kudlich, Rudolph
System:
The UNT Digital Library