Serial/Series Title
States
Decade
2 Matching Results
Results open in a new window/tab. Unexpected Results? Search the Catalog Instead.
Results:
1 - 2 of
2
The Flathead Tunnel: A Geologic, Operations, and Ground Support Study, Burlington Northern Railroad, Salish Mountains, Montana
Report issued by the U.S. Bureau of Mines discussing the Flathead Tunnel in Montana. As stated in the introduction, "this information circular is a Bureau of Mines review of tunneling practices typical of the late 1960's. The report provides reference to all pertinent data related to the geology, mining operations, and ground support practices for the Flathead Tunnel" (p. 2). This report includes maps, tables, illustrations, and photographs.
Date:
1974
Creator:
Skinner, Eugene H.
System:
The UNT Digital Library
Mineral Facts and Problems: 1970 Edition
Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions of common minerals and their uses are presented and discussed. This report includes tables, maps, and illustrations.
Date:
1970
Creator:
United States. Bureau of Mines.
System:
The UNT Digital Library