The purpose for management of wild, free roaming horses is to comply with law and policy pertaining to wild, free roaming horses on public lands. The policy of the BLM addresses a range of topics including establishment and maintenance of Appropriate Management Levels (AMLs) in Herd Managment Areas (HMAs) in a humane, safe, efficient, and environmentally sound manner.
United States Bureau of Land Management, "Environmental Assessment Wild Horse Gathering for the Fifteenmile Wild Horse Herd Management Area" (2000). All U.S. Government Documents (Utah Regional Depository). Paper 239.