BLM Colorado Quarterly Oil and Gas Lease Sale Parcels

BLM Colorado's digital mapping data describes polygon geometry and attributes for quarterly oil and gas lease sale parcels. The data is generated from legal land descriptions and the Geographic Coordinate Data Base survey grid, consolidated from field office inputs.

Use Cases

• Analyze polygon geometry to assess the spatial distribution and size of lease parcels for resource management.
• Validate mapped parcel layers against legal land descriptions from sale notices for regulatory compliance.
• Use linked attribute data to track parcel status and administrative details for quarterly lease sales.

Strengths

• Data originates from the authoritative Department of the Interior and is consolidated from field offices.
• Polygon geometry is generated using the official Geographic Coordinate Data Base (GCDB) survey grid.
• Multiple file formats including GDB, GEOJSON, and CSV provide flexibility for different geospatial tools.

Limitations

• Sample data and specific column names are unavailable, limiting pre-analysis understanding of the data structure.
• The description advises users to check mapped parcels against legal descriptions, indicating potential for positional inaccuracies.
• The dataset's temporal coverage is unclear beyond its association with a Q2 2026 sale.

Provenance

Source

Department of the Interior

Collection Method

Generated from legal land descriptions and the Geographic Coordinate Data Base (GCDB) survey grid, consolidated from field office inputs.

Time Range

Associated with a Q2 (June) 2026 lease sale.

Freshness

Last updated March 2026.

Geography

State of Colorado, BLM-administered lands.