TY - BOOK AU - Kottlowski, Frank Edward. CN - TN805.A1 CN - TN805.A1 CY - Boulder, Colo. : DA - c1978. ID - 12608 KW - Coal N1 - Papers presented to a symposium planned by the Coal Geology Division of the Geological Society of America held in Mexico City in 1968. PB - Geological Society of America, PP - Boulder, Colo. : PY - c1978. SN - 0813721792 T1 - Coal resources of the Americas :selected papers / TI - Coal resources of the Americas :selected papers / ER -