BLM Areas of Critical Environmental Concern: Protected Land Boundaries

Polygon features define Bureau of Land Management Designated Areas of Critical Environmental Concern. These areas require special management to protect historic, cultural, scenic, fish and wildlife resources, natural systems, and public safety from hazards. The dataset is maintained by the Department of the Interior and was last updated on March 17, 2026.

Use Cases

• Map protected cultural and historic sites based on the ACEC designation criteria
• Analyze wildlife habitat protection zones based on the fish and wildlife resource focus
• Identify areas requiring special management for natural hazard mitigation based on the safety objective
• Plan land use around scenic and natural system values based on the ACEC management goals

Strengths

• Polygon feature class provides spatial boundaries for analysis
• Dataset is updated with a timestamp of 2026-03-17 10:53:05.003147
• Available in multiple geospatial formats including GeoJSON, KML, and CSV

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment
• Description metadata is limited; actual data quality requires manual inspection after download

Provenance

Source

Department of the Interior

Freshness

Last updated 2026-03-17 10:53:05.003147

Geography

Public lands within the United States, likely including states like Montana, Alaska, Nevada, California, Arizona, Idaho, and Eastern States as suggested by platform tags