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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