01769oam 2200529 450 991071368440332120200616101700.0(CKB)5470000002502826(OCoLC)974647363(OCoLC)1089443876(OCoLC)995470000002502826(EXLCZ)99547000000250282620170306d1991 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierResults of a reconnaissance bridge-scour study at selected sites in Oregon using surface-geophysical methods, 1989 /by Milo D. CrumrinePortland, Oregon :U.S. Geological Survey,1991.1 online resource (vi, 44 pages) illustrations, mapsWater-resources investigations report ;90-4199"Prepared in cooperation with Oregon Department of Transportation."Includes bibliographical references (page 42).Scour at bridgesOregonErosionOregonErosionfastScour at bridgesfastOregonfastScour at bridgesErosionErosion.Scour at bridges.Crumrine Milo D.1401099Geological Survey (U.S.),Oregon.Department of Transportation.COPCOPOCLCOOCLCFOCLCAOCLCEOCLCQGPOBOOK9910713684403321Results of a reconnaissance bridge-scour study at selected sites in Oregon using surface-geophysical methods, 19893469303UNINA