BLM Historical Areas of Critical Environmental Concern: U.S. Public Lands

The Bureau of Land Management Historical Areas of Critical Environmental Concern dataset defines polygons on U.S. public lands requiring special management. It is maintained by the Department of the Interior to protect historic, cultural, scenic, and natural resources from irreparable damage. The dataset was last updated on March 17, 2026.

Use Cases

• Map protected historic and cultural sites based on polygon boundaries.
• Analyze areas requiring special management attention to prevent natural hazards.
• Identify public lands with important scenic or natural system values.
• Plan conservation efforts for fish and wildlife resources.
• Assess spatial overlap of critical environmental concerns with other land-use datasets.

Strengths

• Polygon feature class provides spatial boundaries for analysis.
• Managed by the authoritative Department of the Interior.
• Available in multiple formats including GeoJSON, KML, and CSV.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset size are unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to the Bureau of Land Management's jurisdiction.

Provenance

Source

Department of the Interior

Freshness

Last updated 2026-03-17 10:53:05.021675; freshness should be verified.

Geography

U.S. public lands