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A polygon dataset of current road footprints in the SNK REA derived from the Alaska Department of Natural Resources infrastructure data (see the process steps for details). (This data depicts infrastructure locations in Alaska as digitized primarily from 1:24,000, 1:63,360, and 1:250,000 USGS quadrangles. The source document that represented the newest information and best geographic location was used to capture the data. All infrastructure from the primary source document was digitized and then supplemented with the information from other source documents for additional or updated infrastructure or attributes.)
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This data depicts infrastructure locations in Alaska as digitized primarily from 1:24,000, 1:63,360, and 1:250,000 USGS quadrangles. The source document that represented the newest information and best geographic location was used to capture the data. All infrastructure from the primary source document was digitized and then supplemented with the information from other source documents for additional or updated infrastructure or attributes.
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RS 2477 stands for Revised Statute 2477 from the Mining Act of 1866, which states: "The right-of-way for the construction of highways over public lands, not reserved for public uses, is hereby granted." The act granted a public right-of-way across unreserved federal land to guarantee access as land transferred to state or private ownership. Rights-of-way were created and granted under RS 2477 until its repeal in 1976. In Alaska, federal land was "reserved for public uses" in December 1968, with passage of PLO 4582, also known as the "land freeze." This date ends the window of RS 2477 qualification in Alaska. This shape file characterizes the geographic representation of land parcels within the State of Alaska contained...
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This data depicts infrastructure locations in Alaska as digitized primarily from 1:24,000, 1:63,360, and 1:250,000 USGS quadrangles. The source document that represented the newest information and best geographic location was used to capture the data. All infrastructure from the primary source document was digitized and then supplemented with the information from other source documents for additional or updated infrastructure or attributes. In addition, ISER added major rivers (those being named in the Anadromous streams catalog and > 150 km in length) and the historic Iditarod Trails for additional reference.
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This data depicts infrastructure locations in Alaska as digitized primarily from 1:24,000, 1:63,360, and 1:250,000 USGS quadrangles. The source document that represented the newest information and best geographic location was used to capture the data. All infrastructure from the primary source document was digitized and then supplemented with the information from other source documents for additional or updated infrastructure or attributes. In addition, ISER added major rivers (those being named in the Anadromous streams catalog and > 150 km in length) and the historic Iditarod Trails for additional reference.
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A polygon dataset of current landing strip and airport footprints in the SNK REA - derived from the Alaska Department of Natural Resources infrastructure data (see the process steps for details).(This data depicts infrastructure locations in Alaska as digitized primarily from 1:24,000, 1:63,360, and 1:250,000 USGS quadrangles. The source document that represented the newest information and best geographic location was used to capture the data. All infrastructure from the primary source document was digitized and then supplemented with the information from other source documents for additional or updated) infrastructure or attributes.
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This data depicts infrastructure locations in Alaska as digitized primarily from 1:24,000, 1:63,360, and 1:250,000 USGS quadrangles. The source document that represented the newest information and best geographic location was used to capture the data. All infrastructure from the primary source document was digitized and then supplemented with the information from other source documents for additional or updated infrastructure or attributes.
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A polygon dataset of current abandoned railroad footprints in the SNK REA derived from the Alaska Department of Natural Resources infrastructure data (see the process steps for details). (This data depicts infrastructure locations in Alaska as digitized primarily from 1:24,000, 1:63,360, and 1:250,000 USGS quadrangles. The source document that represented the newest information and best geographic location was used to capture the data. All infrastructure from the primary source document was digitized and then supplemented with the information from other source documents for additional or updated infrastructure or attributes.)
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A polygon dataset of current trails footprints (including ice roads) in the SNK REA derived from the Alaska Department of Natural Resources infrastructure data, Northwest Arctic Burough winter trails data and BLM Iditarod National Historic Trail data (see the process steps for details). (From the Alaska Department of Natural Resource Infrastructure data metadata: This data depicts infrastructure locations in Alaska as digitized primarily from 1:24,000, 1:63,360, and 1:250,000 USGS quadrangles. The source document that represented the newest information and best geographic location was used to capture the data. All infrastructure from the primary source document was digitized and then supplemented with the information...


    map background search result map search result map BLM REA CYR 2013 Secondary Trails (Alaska DNR RS2477 Trails) BLM REA SNK 2010 Alaska Infrastructure 1:63,360 BLM REA SNK 2010 Current Trail Footprint Change Agent BLM REA SNK 2010 Current Abandoned Railroad Footprint Change Agent BLM REA SNK 2010 Current Landing Strips and Airports Footprint Change Agent BLM REA SNK 2010 Current Road Footprint Change Agent BLM REA SNK 2010 Alaska Infrastructure 1:63,360 Poly BLM REA SNK 2010 Current Abandoned Railroad Footprint Change Agent BLM REA SNK 2010 Current Road Footprint Change Agent BLM REA CYR 2013 Secondary Trails (Alaska DNR RS2477 Trails) BLM REA SNK 2010 Current Landing Strips and Airports Footprint Change Agent BLM REA SNK 2010 Alaska Infrastructure 1:63,360 Poly BLM REA SNK 2010 Alaska Infrastructure 1:63,360 BLM REA SNK 2010 Current Trail Footprint Change Agent