2.5 cm diameter, Virgin Valley district, Humboldt County. B. and F. Cureton collection. Photo by J. Scovil.
From Minerals of Nevada (NBMG Special Publication 31).
Postcard 14, 4x6", full color, , $0.25
2.5 cm diameter, Virgin Valley district, Humboldt County. B. and F. Cureton collection. Photo by J. Scovil.
From Minerals of Nevada (NBMG Special Publication 31).
Postcard 14, 4x6", full color, , $0.25