02033oam 2200517 450 991070425610332120160125155319.0(CKB)5470000002439113(OCoLC)885009158(EXLCZ)99547000000243911320140731d1951 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierFrost action and vegetation patterns on Seward Peninsula, Alaska a study of the geomorphic significance of vegetation patterns as related to frost action at high latitudes and in areas of perennially frozen ground /by D.M. Hopkins and R.S. Sigafoos[Washington, D.C.] :United States Department of the Interior, Geological Survey,1951.Washington :United States Government Printing Office.1 online resource (iii, 51-101 pages, 2-3 pages of plates) illustrationsGeological Survey bulletin ;974-CContributions to general geology ;1950Title from title screen (viewed July 21, 2014).Includes bibliographical references (pages 99-100) and index.Frost action and vegetation patterns on Seward Peninsula, Alaska Frozen groundAlaskaSeward PeninsulaTundra plantsAlaskaSeward PeninsulaFrozen groundfastTundra plantsfastAlaskaSeward PeninsulafastFrozen groundTundra plantsFrozen ground.Tundra plants.Hopkins David Moody1921-2001,1386011Sigafoos Robert Sumner1920-Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910704256103321Frost action and vegetation patterns on Seward Peninsula, Alaska3465209UNINA