Canyon in Big Jacks Creek Wilderness in Idaho.
Bureau of Land Management
USDI- BLM - <a rel="nofollow" class="external free" href="https://www.blm.gov/id/st/en/prog/blm_special_areas/owyhee_initiative.html">http://www.blm.gov/id/st/en/prog/blm_special_areas/owyhee_initiative.html</a>