Brooks Range
BLM
U.S. DEPARTMENT OF THE INTERIOR
BUREAU OF LAND MANAGEMENT
Grizzly along the Denali Highway Rafting the Gulkana National Wild River Native woman drying salmon on racks ATV rider on trails near Glennallen Surveyor
Alaska
Spatial Data Management System
Welcome to the Bureau of Land Management's Spatial Data Management System website (SDMS). SDMS is a one-stop tool to view, research, print and download information such as surveyed land parcels, land status, mining claims, and Master Title Plats.

With SDMS you can:

  • View and query BLM Lands and Resources geospatial information
  • Access BLM documents such as Master Title Plats and Survey Plats
  • Access case abstract reports
  • Create spatial bookmarks for frequently visited areas
  • Print hardcopy maps
  • Quickly locate an area of interest using Locate tools
  • Download geospatial data
SDMS is an evolving product as new geospatial data layers and capabilities are periodically added. You can view News periodically to see what has been added.

Classes are being offered to learn basic use of the site. If you or your organization is interested in attending a class, please email for more information.

Please read the Disclaimer and Privacy Policy prior to using this site. By clicking on the button below, you agree to the terms and conditions for this site.

Important:
The Spatial Data Management Systems (SDMS) does not constitute nor replace the legal record of survey, case files or any other official Bureau of Land Management (BLM) record. Refer to specific records on file at BLM for official record information.