10 November 1985.
Mexico
Locality: Depression in backyard of Clorinda H.(Viuda) de Rivas and Elisa Rodriguez (Viuda) de Melchior in Nabogame community, approximately 10km E of Santa Rosalia, Guadalupe y Calvo, Chihuahua.
Coordinates: 26.2500, -106.9167
(Map it)
Elevation: 1850m.