Collector:
B.G. Phillips; A.M. Phillips, T.R. Van Devender 74-259
Date: 1974-05-13
Verbatim Date: 13 May 1974
Locality:
United States, Arizona, Mohave County, In gravel bed of Vulture Canyon, dry side canyon on south side of Grand Canyon between Rampart Cave and Columbine Falls. Mile 274 L.; Lake Mead National Recreation Area