Time for a much needed geology break. Why not treat yourself to a big bowl o' karst info?
This is a clip from "Oklahoma Rocks! - Classroom Edition"
Showing posts with label geology oklahoma karst topography mine mining tristate museum landscape zinc lead history joplin. Show all posts
Showing posts with label geology oklahoma karst topography mine mining tristate museum landscape zinc lead history joplin. Show all posts
Friday, April 3, 2009
Dude, Where's my Karst?
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