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open access

Diesel Exhaust Contamination of Tunnel Air

Description: Report issued by the Bureau of Mines on investigations of air contamination in tunnels due to diesel exhaust. Air samples were taken inside tunnels and measured for carbon dioxide, carbon monoxide, and nitrogen oxides. This report includes tables and graphs.
Date: February 1968
Creator: Holtz, John C. & Dalzell, Robert W.
Partner: UNT Libraries Government Documents Department
open access

New England Beryllium Investigations

Description: Report issued by the Bureau of mines over studies conducted on beryllium deposits in New England. Evaluations of the deposits are presented and discussed. This report includes tables, maps, illustrations, and photographs.
Date: 1968
Creator: Barton, William R. & Goldsmith, Carl E.
Partner: UNT Libraries Government Documents Department
open access

A Petrofabric Study of Tectonic and Mining-Induced Deformations in a Deep Mine

Description: Report issued by the Bureau of Mines on deep mine tectonic deformities. The deep mine rock was analyzed using a petrofabric technique, and many properties were examined. This report includes photographs and illustrations.
Date: September 1968
Creator: Gresseth, Elbridge W. & Reid, Rolland R.
Partner: UNT Libraries Government Documents Department
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