The file is referred to in 3 pages
- Coalbed Methane
http://serc.carleton.edu/research_education/cretaceous/coalbed.html - Impacts
http://serc.carleton.edu/research_education/nativelands/crow/impacts.html - Coalbed Methane
http://serc.carleton.edu/research_education/nativelands/crow/coalbedmethane.html
Provenance
Photo copyright Peter Aengst, 2001.
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