Location: Northwest District, White River Field Office (Rio Blanco County)
Size: 1,630 acres
Designated: 1987 Piceance Basin Resource Management Plan Record of Decision
Land Manager: Bureau of Land Management, White River Field Office
The Dudley Bluffs ACEC is designated to protect remnant vegetation associations; federally threatened plant species including the Dudley Bluffs Bladderpod (Physaria congesta) and the Dudley Bluffs Twinpod (Physaria obcordata); and BLM sensitive plant species.