01623cam a22003011 4500001001300000003000400013005001700017008004100034010001700075035001800092040001900110050002300129100002000152245020500172260009800377300009200475490006500567500006600632500004300698505031700741650002701058700004301085700003301128700003201161700004701193830006401240999001701304gs 07000714 DLC20260227111306.0730913s1878 pauadf 000 0 eng  ags 07000714  a(OCoLC)689419 aDLCcOAkUdDLC00aQE157b.A16 vol. F1 aDewees, John H.10aReport of progress in the Juniata district on the fossil iron ore beds of middle Pennsylvania,cby John H. Dewees, with a report of the Aughwick Valley and East Broad Top district, by C. A. Ashburner. aHarrisburg,bPublished by the Board of Commissioners for the Second Geological Survey,c1878. aFxlix, F305 p.bfront., illus., plates (Part fold.) charts (part fold.) diagrs.c23 cm.1 aPennsylvania. Geological survey, [2d. Report of progressvF] aAt head of title: Geological survey of Pennsylvania, 1874-75. aCharts and diagrams partly in pockets.0 aAppendices: 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. 0aGeologyzPennsylvania.1 aAshburner, Charles Albert,d1854-1889.1 aPlatt, Franklin,d1844-1900.1 aSanders, Richard H.,d1851-1 aChance, H. M.q(Henry Martyn),d1856-1937. 0aReport of progress (Geological Survey of Pennsylvania),vF. c24621d24621