Northern and Central Appalachian Basin Coal Regions Assessment Team 2001 This report includes results of a digital assessment of six coal beds or zones in the Northern and Central Appalachian Basin coal regions that produce over 15 percent of the Nation's coal. Other chapters include an executive summary, a report on geology and mining, a report summarizing other selected coal zones that were not assessed, and a report on USGS coal availability and recoverablity studies in the Northern and Central Appalachian Basin coal regions. application/pdf 10.3133/pp1625C en 2000 resource assessment of selected coal beds and zones in the Northern and Central Appalachian Basin coal regions reports