00843cam a22002411 4500 gs 07001562 DLC 20260227111307.0 841022m19031907wau 000 0 eng c gs 07001562 (OCoLC)11294306 U.S. Geol. Survey. Library PLF DLC premarc QE671 .S8 551.750973 Stevenson, John J. (John James), 1841-1924. The Carboniferous of the Appalachian basin, by John J. Stevenson ... Washington, Judd & Detweiler, Printers, 1903-07. 4 v. in 1. 25 cm. From Bulletin of the Geological Society of America, v. 14, 1903; v. 15, 1904; v. 17, 1906; v. 18, 1907. Geology, Stratigraphic Carboniferous. Geology Appalachian Mountains. 24691 24691