01934oam 2200565 450 991070624620332120171019094015.0(CKB)5470000002455976(OCoLC)965753605(OCoLC)891600184(OCoLC)995470000002455976(EXLCZ)99547000000245597620161210d1957 uy 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierStudies of longitudinal stream profiles in Virginia and Maryland /by John T. HackWashington :United States Department of the Interior, Geological Survey,1957.1 online resource (59 unnumbered pages) illustrations, maps +1 plateGeological Survey professional paper 294-BShorter contributions to general geologyIncludes bibliographical references (page 94) and index."Preliminary results of a study of the form of small river valleys in relation to geology. Some factors controlling the longitudinal profiles of streams are described in quantitative terms."ValleysVirginiaValleysMarylandRiversVirginiaRiversMarylandRiversfastValleysfastMarylandfastVirginiafastValleysValleysRiversRiversRivers.Valleys.Hack John T(John Tilton),1913-1991,1400331Geological Survey (U.S.),OCLCEOCLCEOCLCQCOPOCLCFGPOBOOK9910706246203321Studies of longitudinal stream profiles in Virginia and Maryland3502521UNINA