01551oam 2200409 450 991071693800332120211119142128.0(CKB)5470000002526817(OCoLC)1285428986(EXLCZ)99547000000252681720211116d2020 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierCatalogue of polar bear (Ursus maritimus) maternal den locations in the Beaufort and Chukchi Seas and nearby areas, 1910-2018 /by George M. Durner [and 7 others]Reston, Virginia :U.S. Department of the Interior, U.S. Geological Survey,2020.1 online resource (iv, 12 pages) color illustration, color mapsData series,2327-638X ;1121"2020"--Page ii."Supersedes USGS data series 568."Includes bibliographical references (pages 8-9).Catalogue of polar bear Polar bearHabitationsBeaufort SeaPolar bearHabitationsChukchi SeaPolar bearHabitationsPolar bearHabitationsDurner George M.1423288Geological Survey (U.S.),GPOGPOGPOBOOK9910716938003321Catalogue of polar bear (Ursus maritimus) maternal den locations in the Beaufort and Chukchi Seas and nearby areas, 1910-20183550416UNINA