Chemical analyses in the World Coal Quality Inventory, version 1. World Coal Quality Inventory Addendum (Excel file) - Tewalt, A.J., S.J.; Belkin, H.E.; SanFilipo, J.R.; Merrill, M.D.; Palmer, C.A.; Warwick, P.D.; Karlsen, A.W.; Finkelman, R.B.; Park (U.S. Geological Survey, 2010)
Keywords: Prov Ht; Prov Lg; bibgeolbel19757; country GLOBAL; domgeol SYNAM; map121; map153; strat H; theme PHYSCOAL