Geotripper
News and views from the geologic realm
Showing posts with label
Nova Formation
.
Show all posts
Showing posts with label
Nova Formation
.
Show all posts
Thursday, February 18, 2010
Another Whisper from the Past...and Another Catastrophe
›
I am always kind of haunted (in a good way) by ancient petroglyphs and pictographs. Most of my teaching in a classroom involves delivering ...
3 comments:
›
Home
View web version
