Medium

Large
column outcrop near Clarkston
Medium

Large
Medium

Large
Medium

Large
Medium

Large
Medium

Large
Medium

Large
Medium

Large
Medium

Large
Medium

Large
Dr. Shultz defines the different layers in the basalt.
Medium

Large
lunch stop
Medium

Large
Medium

Large
trying to find the dike near Pomeroy - We didn't find it.
Medium

Large
Clarkston outcrop from across the river
Medium

Large
Medium

Large
tops of some columns
Medium

Large