Coal Quality: Global Priorities
International Conference
U.S. Geological Survey
Reston, Virginia
September 24–26, 2001
Edited by Brenda Pierce, Kristin Dennen, and Robert B. Finkelman
| Circular 1272 |
U.S. Department of the Interior
U.S. Geological Survey
U.S. Department of the Interior, U.S. Geological Survey
For more information, contact Brenda Pierce, Kristen Dennen, or Robert B. Finkelman
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