Ref.: Williams, S.A. and F.P. Cesbron (1995) Wupatkiite from the Cameron Uranium District, Arizona, a new member of the halotrichite group. Mineralogical Magazine: 59: 553-556.
Grant, Raymond W., Bideaux, R.A., and Williams, S.A. (2006) Minerals Added to the Arizona List 1995-2005: 4, 5, 9.
A surface U prospect located eight miles ESE of Gray Mountain.
Workings are a shallow open cut.