Department of the Interior - Bureau of Land Management (BLM)


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Download Public Land Survey System (PLSS) Data

The Bureau of Land Management (BLM) Cadastral Survey Program is responsible for the official boundary surveys of all federal-interest lands in the United States, which is over 700 million acres, nationwide. The Public Land Survey System is the foundation for many survey-based geographic information systems.

Latest News: Our new PLSS datasets are here!

BLM is providing updated downloadable PLSS data called the Cadastral National Spatial Data Infrastructure (CadNSDI) that complies with the latest Federal Geographic Data Committee (FGDC) guideline for PLSS data.

The CadNSDI dataset is being distributed as statewide file geodatabases.


Additional CadNSDI PLSS Data Disclaimer - Please Read
CadNSDI PLSS Handbook - FAQs, concepts, definitions, standards
Report all PLSS errors to: GCDB Manager for the
state where the lands are located
Formats: ESRI ArcGIS 9.3 CadNSDI PLSS-File GeoDatabase
Projection: Geographic(GCS) NAD83 Datum
Metadata: Embedded for CadNSDI PLSS format
See Metadata page for a sample of the CadNSDI metadata

PLSS CadNSDI Data Set Availability (PDF)