Coal statistics Information about Wyoming coal mining, presented at the 2009 Teaching Energy workshop.
File 17044 is a 277kB Acrobat (PDF) Uploaded:
Jun15 09 https://serc.carleton.edu/download/files/17044/coal_statistics.pdf
The file is referred to in 1 page
Field Trip https://serc.carleton.edu/NAGTWorkshops/energy09/field.html
Provenance Prepared by Jimm Myers, Univ Wyoming.
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