01880oam 2200505 450 991070463830332120160406103454.0(CKB)5470000002443333(OCoLC)624851658(OCoLC)679986386(EXLCZ)99547000000244333320100521d1989 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierSoil density and moisture content on two unused forest roads during first 30 months after construction /J.D. Helvey, J.N. KochenderferRadnor, PA :United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station,1989.1 online resource (6 pages) illustrationsResearch paper NE ;629Title from title screen (viewed on June 27, 2013)."January 1990.""1989"--Colophon.Includes bibliographical references (page 6).Forest roadsAppalachian MountainsForest roadsAppalachian MountainsDesign and constructionSoilsAppalachian MountainsDensitySoil moistureAppalachian MountainsForest roadsForest roadsDesign and construction.SoilsDensity.Soil moistureHelvey J. D.1398675Kochenderfer J. N.Northeastern Forest Experiment Station (Radnor, Pa.),United States.Forest Service,OCLCEOCLCEOCLCQOCLCOGPOBOOK9910704638303321Soil density and moisture content on two unused forest roads during first 30 months after construction3462403UNINA