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  Partner: UNT Libraries Government Documents Department
 Decade: 1960-1969
 Year: 1968
 Serial/Series Title: Report of investigations (United States. Bureau of Mines)
 Collection: Technical Report Archive and Image Library
Diesel Exhaust Contamination of Tunnel Air

Diesel Exhaust Contamination of Tunnel Air

Date: February 1968
Creator: Holtz, John C. & Dalzell, Robert W.
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.
Contributing Partner: UNT Libraries Government Documents Department
New England Beryllium Investigations

New England Beryllium Investigations

Date: 1968
Creator: Barton, William R. & Goldsmith, Carl E.
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.
Contributing Partner: UNT Libraries Government Documents Department
A Petrofabric Study of Tectonic and Mining-Induced Deformations in a Deep Mine

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

Date: September 1968
Creator: Gresseth, Elbridge W. & Reid, Rolland R.
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.
Contributing Partner: UNT Libraries Government Documents Department