Digital assessment of northern and central Appalachian basin coals

January 1, 1999

[No abstract available]

Publication Year	1999
Title	Digital assessment of northern and central Appalachian basin coals
Authors	L.F. Ruppert, S. J. Tewalt, L. J. Bragg, R.N. Wallack
Publication Type	Article
Publication Subtype	Journal Article
Series Title	Mining Engineering
Index ID	70021220
Record Source	USGS Publications Warehouse

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