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Environmental Assessment for the Expansion of Mullins Pit, Eielson Air Force Base, Alaska

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Introduction. Each year a significant amount of construction occurs on Eielson Air Force Base Eielson AFB as new facilities are built and existing ones are repaired or improved. To meet the construction material demands of these projects, Eielson AFB has made available gravel material sources on its lands. They provide a ready source of classified material for project construction, saving the Air Force hundreds of thousands of dollars annually in construction costs. To further support this program Eielson AFB is proposing to expand the existing Mullins Pit gravel mine to provide additional gravel material for scheduled projects. Description of the Proposed Action. The proposed action will develop an additional 98.64 acres of black spruce wetlands for the purpose of providing gravel, topsoil, and unclassified fill material for base construction projects. This would constitute a major expansion of the existing Mullins Pit gravel facility and would generate approximately 657,424 cubic yards of gravel, 79,570 cubic yards of topsoil, and 397,894 cubic yards of unclassified fill that could be used for construction purposes on base. Alternatives to the Proposed Action. Two other alternatives were identified for this project. Alternative 1, would utilize the newly opened Cathers Lake Pit for all future base gravel, topsoil, and unclassified material needs. This pit is on the north end of the base and would result in haul distances that would be at least twice the distance from Mullins Pit for projects on the south end of the base. Alternative 2 would require that the base purchase gravel from off base for all construction projects. The closest source is in Moose Creek, approximately 3 miles north of the base gate. No action alternative. The no action alternative would result in no additional expansion of Mullins Pit.

Subject Categories:

  • Geology, Geochemistry and Mineralogy
  • Civil Engineering

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