Roger Weller, geology instructor
wellerr@cochise.edu copyright 2017-R.Weller
large gold nugget-3
gold
3134
Photos are copyright free only for
non-commercial educational uses.
Just credit photos to R.Weller/Cochise College.
Specimen courtesy of Pick-n-Lick
Buddy and Myrna Bowers
(602) 840-0133