Michigan
Roger Weller, geology instructor
wellerr@cochise.edu copyright 2008-R.Weller
last edited: 12/10/08 number of photos: 18
photos
ancient preserved mud cracks:
A
B
ancient weathered mud cracks:
A
B
C
weathered conglomerate:
A
Porcupine Mountains-Lake of the Clouds: A
Lake Superior shoreline:
A
B
C
D
E
F
G
wave action rounded pebbles and cobbles:
A
B
C
D
Photos are copyright free for non-commercial educational
uses.
Just credit photos to R.Weller/Cochise College.