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BLM OR Areas of Critical Environmental Concern Historic Polygon Hub

Published by Bureau of Land Management | Department of the Interior | Catalog Last Checked: May 05, 2026 at 07:28 PM | Dataset Last Updated: April 03, 2026 at 02:14 PM
ACEC_HIST_POLY: This polygon feature class contains BLM Historical Areas of Critical Environmental Concern (ACECs) polygons. These define areas within the public lands where special management attention is required to protect and prevent irreparable damage to important historic, cultural, or scenic values, fish and wildlife resources or other natural systems or processes, or to protect life and safety from natural hazards.

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