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    Data Type: Boundaries; This dataset depicts native allotments and land inholdings in the Arctic National Wildlife Refuge. This data is an ARC/INFO polygon coverage in an Albers Equal Area projection. These data originated in the U.S. Fish and Wildlife Division of Realty.

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    Data Type: Exxon Valdez Oil Spill; Miscellaneous land use has been collected from ISCC Response map. These locations give a rough estimate of locations but are not inclusive. The purpose for this effort was to identify and protect key habitats and fishing areas during the initial response phase of the spill.

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    The database contains bibliographic data, map/chart data, and cruise data, concerning geoscience research in the offshore areas of Western Canada and the Northwestern United States.

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    Traveling and recreating in Alaskaメs backcountry used to be enjoyed only by the experienced mountaineer and skier. These days, thanks to improved equipment, just about anyone can get themselves high into the stateメs snow-covered mountains. And thatメs the problem. As Doug Schneider reports in this weekメs Arctic Science Journeys Radio, the backcountry can be a beautiful but deadly place.

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    Data Type: Ocean/Coasts ; This coastline was originally received from the U.S. Fish & Wildlife Service. It contains only the Canadian boundaries close to Alaska. The CIA World Data Bank compiled data files about coastlines, countries, rivers, islands, and lakes of the world. The information has now been declassified to the public domain as the CIA World DataBank II and is available through INTERNET access via ftp hanauma.stanford.edu; cd pub/World_Map). Another source for the CIA World Databank data is EROS in Sioux Falls, SD. EROS sells the data as RWDB2 -- Regional World Databank 2 -- and distributes some documentation.

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    A comparison was made between geologic, radiometric and paleomagnetic methods of dating and stratigraphic correlation on the Pribilof Islands of Alaska.[Reference: Cox, Allan, Hopkins, D.M., and Dalrymple, G.B., 1966, Geomagnetic polarity epochs, Pribilof Islands, Alaska: Geological Society of America Bulletin, v. 77, no. 9, p. 883-909.]

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    Data Type: Freshwater Systems; Watershed polygons for Chugach National Forest.

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    Data Type: Minerals; Mineralized zones from U.S. Department of Interior Bureau of Mines including mineral identification and level of mineralization. Scale is 1:250,000.

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    Data Type: Oceans/Coasts; This is the most detailed digital coastline coverage which is currently available for the entire state.

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    Data Type: Freshwater Systems; This composite stream data layer covers the Prince William Sound and Copper River region. Pacific GIS developed this layer by merging data from the Chugach National Forest Channel Type database, the Alaska Department of Natural Resources (DNR) Exxon Valdez Oil Spill and Alaska Land and Resource Mapping Program databases, and the USGS Digital Line Graph (DLG) database. The most detailed stream coverage is for Prince William Sound and is taken largely from the Chugach NF Channel Type Database. Pacific GIS filled gaps in the Channel Type Database with stream information from the DNR Oil Spill Database. Stream data for areas outside Prince William Sound was drawn largely from the Alaska DNR ALARM Database. Data obtained from the USGS DLG data is very small scale (1:2,000,000 scale) and is suitable only for an overview of streams within the region. All stream data except that obtained from the Chugach NF Channel Type database include information on presence of anadromous fish, although this information is variable in age and not documented as to source. Related data layers include polygonal hydrologic features (hydro_pl)