Coal Mining in Alaska's Interior: Problems and Solutionsby Patrick Corser, Golder Associates, Anchorage, AK, USA,
Wendel Parker, Golder Associates, Anchorage, AK, USA,
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 | Landslides | Historic sites | Soil stabilization | North America | Alaska | United States
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