Spatial Data Management System
CadNSDI
Note - These shapefiles are generally updated monthly. For more current data, you can download smaller extents from the Map Interface using the download tool.BLM-Alaska's cadastral survey data is now available in the format specified by the Cadastral Publication Standard v2. Click the link below to download a monthly snapshot of the data as an ESRI file geodatabase.
CadNSDI |
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AK_CadNSDI.gdb.zip (500MB) [Metadata] |
More information about CadNSDI can be found here and here.
Land Status
The layers on this page are produced by combining the Bureau of Land Management's Alaska Case Retrieval Enterprise System (ACRES) with the official protracted section grid. The same data is available in the SDMS Map Interface, under the "Land Status - Detailed" layers folder.
See the metadata for a description of each dataset and attributes associated with it.
These layers are available as shapefiles only in the NAD 83 datum.
NOTE - If you click on a link and it displays the file in your browser, right click on the link and choose "Save link as..." or the equivalent.
Subsection
Dataset | NAD 83 |
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State of Alaska Conveyances | ak_conv.zip (4.7MB) [Metadata] |
State of Alaska Selections | ak_sel.zip (0.80MB) [Metadata] |
Withdrawal for the Metlakatla Indian Reservation | metlakatla.zip (0.15MB) [Metadata] |
Withdrawals for Military Purposes | military.zip (0.12MB) [Metadata] |
Native Allotments | native_allot.zip (3.9MB) [Metadata] |
ANCSA Conveyances | native_conv.zip (9.3MB) [Metadata] |
ANCSA Selections | native_sel.zip (1.4MB) [Metadata] |
Withdrawals for the National Park Service | nps.zip (2.0MB) [Metadata] |
Lands Conveyed to Private Entities | pvt_conv.zip (5.6MB) [Metadata] |
Miscellaneous Title Transfers Within Alaska | title_trans.zip (1.8MB) [Metadata] |
Withdrawals for the US Forest Service | usfs.zip (16MB) [Metadata] |
Withdrawals for the US Fish and Wildlife Service | usfws.zip (5.6MB) [Metadata] |
ANCSA Withdrawals | wdl_ancsa.zip (7.5MB) [Metadata] |
Withdrawals for the Bureau of Land Management | wdl_blm.zip (0.45MB) [Metadata] |
Withdrawals for Various Federal Agencies | wdl_misc.zip (0.88MB) [Metadata] |
Protracted Land Grid
The township and section grids available from this page are based on the Bureau of Land Management's official protraction diagrams for Alaska.
See the metadata for a description of each dataset and attributes associated with it.
The protracted grids are available as shapefiles in both NAD 27 and NAD 83 datums.
NOTE - If you click on a link and it displays the file in your browser, right click on the link and choose "Save link as..." or the equivalent.
Dataset | NAD 27 | NAD 83 |
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Township Grid | township27.zip (2.4MB) [Metadata] | township83.zip (3.9MB) [Metadata] |
Section Grid | section27.zip (24MB) [Metadata] | section83.zip (29MB) [Metadata] |
Protracted Points | pro_pt27.zip (24MB) [Metadata] | pro_pt83.zip (32MB) [Metadata] |