2000 Resource Assessment of Selected Coal Beds and Zones in the Northern and Central Appalachian Basin Coal Regions
1999 Resource Assessment of Selected Tertiary Coal Beds and Zones in the Northern Rocky Mountains and Great Plains Region U.S. Geological Survey Professional Paper 1625-A
Geologic Assessment of Coal in the Colorado Plateau: Arizona, Colorado, New Mexico, and Utah U.S. Geological Survey Professional Paper 1625-B
FACT SHEETS:
OPEN-FILE REPORTS: To order these products please contact: Leslie F. Ruppert Email: lruppert@usgs.gov (Reston, VA)
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Last modified: 01/15/04