Idaho's Mount Borah
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U.S. DEPARTMENT OF THE INTERIOR
BUREAU OF LAND MANAGEMENT
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Areas of Critical Environmental Concern (ACECs)

What is an ACEC?

An ACEC is a designation that highlights areas where special management attention is needed to protect and prevent irreparable damage to important historic, cultural and scenic values; fish, wildlife resources or other natural systems or processes; or to protect human life and safety from natural hazards.

The BLM establishes special management measures for these areas through land use planning. The designation is a record of significant values that must be accommodated when the BLM considers future management actions and land use proposals. 

St. Anthony Sand Dunes