Geotechnical investigation: Cominco's Red Dog Mine Facilities

by Thomas G. Krzewinski, Dames & Moore, Anchorage, AK, USA,
J. Michael Stanley, Dames & Moore, Anchorage, AK, USA,
David W. Moore, Dames & Moore, Anchorage, AK, USA,

Document Type: Proceeding Paper

Part of: Cold Regions Engineering


The siting of major facilities associated with development of the Red Dog Mine Complex in Northwestern Alaska on relatively warm permafrost soil and rock presented geotechnical engineers with some challenging problems. This paper summarizes the geotechnical investigation carried out in the summer of 1984 to obtain information pertinent to siting and design of a tailings dam, a water supply dam, a mill facility, and an area for dumping waste overburden fill. The investigation was carried out using helicopter-transported drill rigs, refrigerated coring technique, mechanical and pneumatic packers, thermistors and heavy-walled drive samplers.

Subject Headings: Geotechnical investigation | Mine wastes | Water supply systems | Dams | Embankment dams | Dam foundations | Permafrost | Water supply | Alaska | United States

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