Aravaipa Canyon, Graham County, AZ | A hiker treks farther upstream into Hell Hole Canyon, an entrenched meandering tributary canyon on the north side of Aravaipa Canyon. The canyon walls here are composed of Tertiary Hell Hole Conglomerate; well-indurated buff conglomerate composed mainly of volcanic debris including few beds of tuff and ash.
Online resource:
Cook, J.P. and others., 2009, Mapping of Holocene River Alluvium along the San Pedro River, Aravaipa Creek, and Babocomari River, Southeastern Arizona: Arizona Geological Survey Digital Map - River Alluvium Map 01 (DM-RM-01), map scale 1:24,000. http://repository.azgs.az.gov/uri_gin/azgs/dlio/799
