Coal statistics

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
Provenance
Prepared by Jimm Myers, Univ Wyoming.
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