Environmental Overview and Analysis of Mining Effects: Gates of the Arctic National Park and PreserveDenver Service Center, National Park Service, U.S. Department of the Interior, 1983 - Gates of the Arctic National Park and Preserve (Alaska) - 168 pages |
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access roads acres airstrip Alaska alpine Anaktuvuk Anaktuvuk Pass aquatic archeological Arctic grayling Arctic National Park Brooks Range caribou claim area claim group confluence Conglomerate Creek Creek Group Dall sheep Dalton highway deposits disturbance downstream drainage effects environmental Fairbanks fish floodplain forest Fork Koyukuk River Gates Glacier River gravel ground visit habitat Hammond River historic impacts Ipnek Creek Killik Kobuk River Koyukuk River Lake located Mascot Creek Middle Fork Koyukuk miles mineral mining activities mining operations moist tundra National Park Service National Park System Noatak River Noatak study area North Fork Koyukuk overburden Park and Preserve permafrost placer claims placer mining plan of operations potential proper BLM office reclamation record recreationists revegetation route sediment settling ponds silt slopes sluice soil species stream channel streamflow surface tion tributaries turbidity unit unpatented mining claim Valley vegetation watershed wildlife Wiseman