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Coal Mining in Alaska's Interior: Problems and Solutions

by Patrick Corser, Golder Associates, Anchorage, AK, USA,
Wendel Parker, Golder Associates, Anchorage, AK, USA,



Document Type: Proceeding Paper

Part of: Cold Regions Engineering

Abstract:

The Usibelli Coal Mine located in Healy, Alaska is currently the largest operating coal mine in the state of Alaska. The mine has recently increased production to nearly 1. 7 million tons per year. Operational and geotechnical constraints on mining within steeply dipping deposits and historic landslide areas, which are characteristic of subarctic coal deposits in Alaska, are discussed. The current plan for mining through these areas is presented as well as an alternative plan for minimizing the adverse effects of mining through a historic landslide area.

Subject Headings: Coal mining | Mines and mining | Landslides | Historic sites | Geotechnical engineering | Case studies | Soil stabilization | Alaska | United States

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