Current Events — HabitableZone

Current Events » in reply to At what price does oil shale and sand tar become viable?

Should be tar sand......and nevermind.....great articles inside.
Lee — (archived)

http://deseretnews.com/dn/view/0,1249,600151459,00.html

http://ffden-2.phys.uaf.edu/102spring2002_Web_projects/M.Sexton/

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