Geology Field Trips
Geology Home Page
Roger Weller, geology instructor
firstname.lastname@example.org copyright 2017-R.Weller
not only rocks are sharp
One of the most dreaded cactuses in the area is the cholla
(also known as the jumping cactus).
Photo is copyright free for
non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.