TY - BOOK AU - Stevenson,John J. TI - The Carboniferous of the Appalachian basin, AV - QE671 .S8 U1 - 551.750973 PY - 1903///-07 CY - Washington PB - Judd & Detweiler, Printers KW - Geology, Stratigraphic KW - Carboniferous KW - Geology KW - Appalachian Mountains N1 - From Bulletin of the Geological Society of America, v. 14, 1903; v. 15, 1904; v. 17, 1906; v. 18, 1907 ER -