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| Title |
Coking coal of the United States—Modern and historical coking coal mining locations and chemical, rheological, petrographic, and other data from modern samples
|
|---|---|
| Published by |
US Geological Survey, January 2021
|
| DOI | 10.3133/ofr20201113 |
| Authors |
Trippi, Michael H., Ruppert, Leslie F., Eble, Cortland F., Hower, James C. |