01623cam a22003011 4500 gs 07000714 DLC 20260227111306.0 730913s1878 pauadf 000 0 eng gs 07000714 (OCoLC)689419 DLC OAkU DLC QE157 .A16 vol. F Dewees, John H. Report of progress in the Juniata district on the fossil iron ore beds of middle Pennsylvania, by John H. Dewees, with a report of the Aughwick Valley and East Broad Top district, by C. A. Ashburner. Harrisburg, Published by the Board of Commissioners for the Second Geological Survey, 1878. Fxlix, F305 p. front., illus., plates (Part fold.) charts (part fold.) diagrs. 23 cm. Pennsylvania. Geological survey, [2d. Report of progress F] At head of title: Geological survey of Pennsylvania, 1874-75. Charts and diagrams partly in pockets. Appendices: A. Section of the Palœozoic rocks in Blair county, by F. Platt and R.H. Sanders.--B. A measured section of the Palæozic rocks between Lock Haven and Farrandsville, by H.M. Chance.--C. Catalog of specimens collected by Mr. Ashburner.--D. Railway and other levels above tide mentioned in this report. Geology Pennsylvania. Ashburner, Charles Albert, 1854-1889. Platt, Franklin, 1844-1900. Sanders, Richard H., 1851- Chance, H. M. (Henry Martyn), 1856-1937. Report of progress (Geological Survey of Pennsylvania), F. 24621 24621