01916nem 2200457 a 450 991069101820332120010919100749.0(CKB)5470000002344175(OCoLC)46802402ocm46802402(OCoLC)995470000002344175(EXLCZ)99547000000234417520010424d2001 ua engb|||||||||||||||||||||bcrdrdacontentcrdamediacrrdacarrierSubsurface correlations and sequence stratigraphic interpretations of lower Silurian strata in the Appalachian Basin of northeast Ohio, southwest New York, and northwest Pennsylvania[electronic resource] /by U.S. Department of the Interior, U.S. Geological Survey ; R.D. HettingerVersion 1.0.[Reston, Va.?] :The Survey,2001.U.S. Geological Survey geologic investigations series ;I-2741Distributed to depository libraries in paper.Pamphlet file includes text, 4 location maps, 1 correlation chart, 2 ancillary charts and 2 cross sections.Title from HTML index page (viewed on April 24, 2001).Consists of correlation chart file and pamphlet file.Geology, StratigraphicSilurianDrawingsStratigraphic correlationNortheastern StatesDrawingsGeology, StratigraphicStratigraphic correlationHettinger Robert D1381642GISGISDNUGPOBOOK9910691018203321Subsurface correlations and sequence stratigraphic interpretations of lower Silurian strata in the Appalachian Basin of northeast Ohio, southwest New York, and northwest Pennsylvania3430561UNINA