Roger Weller, geology instructor
[email protected] copyright 2011-R.Weller
wulfenite from
Cochise County, Arizona-8
Defiance Mine, Gleeson,
Cochise County, Arizona
wulfenite
2894
Photo is copyright free for
non-commercial educational uses.
Just credit photo to R.Weller/Cochise College
from the A.L. Flagg collection