01849oam 2200493 450 991071185780332120190205111327.0(CKB)5470000002487503(OCoLC)957722934(OCoLC)953695378(OCoLC)995470000002487503(EXLCZ)99547000000248750320160904d1975 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierLandsliding in Allegheny County, Pennsylvania /by Reginald P. Briggs, John S. Pomeroy, and William E. Davies ; prepared in cooperation with the Appalachian Regional Commission[Reston, Virginia] :United States Department of the Interior, Geological Survey,1975.1 online resource (iii, 18 pages) illustrations, mapsGeological Survey circular ;728"To accompany Map of susceptibility to landsliding, Allegheny County, Pennsylvania: U.S. Geological Survey miscellaneous field studies map MF-685.B."Includes bibliographical references (page 18).LandslidesPennsylvaniaAllegheny CountyLandslidesfastPennsylvaniaAllegheny CountyfastLandslidesLandslides.Briggs Reginald P.1929-2009,1387151Davies William E(William Edward),1917-Pomeroy John S.1929-Geological Survey (U.S.),Appalachian Regional Commission.OCLCEOCLCECOPOCLCFOCLCQOCLCAGPOBOOK9910711857803321Landsliding in Allegheny County, Pennsylvania3465626UNINA