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Service Description: This data set depicts the non-surveyed boundaries of active (recorded or interim) federal mining claims within the State of Alaska. Each mining claim is represented as an individual region, identified by the casefile serial number which can be linked to background data via the ALIS (Alaska Land Information System). Mining claim boundaries were identified in location notices from the original casefiles. They were plotted on maps based on rough sketches, claimant maps or physical descriptions. The mining claim boundaries were transferred (when applicable) by use of a zoom-transfer scope and light table from claimant maps or estimated from land descriptions onto 1:63,360 quadrangle maps. Claims were then digitized into BLM, Alaska standards.
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Description: This data set depicts the non-surveyed boundaries of active (recorded or interim) federal mining claims within the State of Alaska. Each mining claim is represented as an individual region, identified by the casefile serial number which can be linked to background data via the ALIS (Alaska Land Information System). Mining claim boundaries were identified in location notices from the original casefiles. They were plotted on maps based on rough sketches, claimant maps or physical descriptions. The mining claim boundaries were transferred (when applicable) by use of a zoom-transfer scope and light table from claimant maps or estimated from land descriptions onto 1:63,360 quadrangle maps. Claims were then digitized into BLM, Alaska standards.
Copyright Text: Bureau of Land Management (BLM), Alaska
Spatial Reference:
102100
(3857)
Initial Extent:
XMin: -1.6194770963421905E7
YMin: 9729416.174074914
XMax: -1.6151673921658365E7
YMax: 9765970.628718361
Spatial Reference: 102100
(3857)
Full Extent:
XMin: -1.86127416802E7
YMin: 7300832.734999999
XMax: -1.4472437239599999E7
YMax: 1.0509479515500002E7
Spatial Reference: 102100
(3857)
Units: esriMeters
Document Info:
Title: BLM AK Federal Mining Claims
Author:
Comments: This data set depicts the non-surveyed boundaries of active (recorded or interim) federal mining claims within the State of Alaska. Each mining claim is represented as an individual region, identified by the casefile serial number which can be linked to background data via the ALIS (Alaska Land Information System). Mining claim boundaries were identified in location notices from the original casefiles. They were plotted on maps based on rough sketches, claimant maps or physical descriptions. The mining claim boundaries were transferred (when applicable) by use of a zoom-transfer scope and light table from claimant maps or estimated from land descriptions onto 1:63,360 quadrangle maps. Claims were then digitized into BLM, Alaska standards.
Subject: This dataset was developed as part of a statewide effort to track mining claims managed by the federal government. This dataset also tracks the status of federal mining claims: Active, Closed, Undigitized, Historical.
Category:
Keywords: Geology,Geospatial,land use planning,mining,mining claim,economy,geoscientificInformation,planningCadastre,Alaska
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