Structure of the Berea Oil Sand in the Flushing Quadrangle: Harrison, Belmont and Guernsey Counties, Ohio.
Washington, DC: GPO, 1908. 8vo. 30 pp. USGS Bulletin 346. Wraps sunned at edges, with 1.5 inch chip at lower edge and several short, closed tears on edges. Interior very good. Topographic map and contour map in pocket at rear. Good Wraps (Item ID: 100001)