Roger Weller, geology instructor
last edited:
8/18/15 number of photos: 12
photos
worm burrows:
1
2
3
4
5
6
7
worm from New York:
1
2*
3
Photos are copyright free for non-commercial educational uses.
Just
credit photos to R.Weller/Cochise College.
copyright 2015-R.Weller
------------------------------------------------------------