Concepedia

Publication | Closed Access

The US Geological Survey's national coal resource assessment: the results

DOI

44

Citations

21

References

2002

Year

Leslie F. Ruppert, Mark A. Kirschbaum, Peter D. Warwick, Romeo M. Flores, Ronald H. Affolter, Joseph R. Hatch
International Journal of Coal Geology

References

YearCitations

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