TY - RPRT TI - Catalogue of polar bear (Ursus maritimus) maternal den locations in the Beaufort and Chukchi Seas and nearby areas, 1910–2018 AU - George M. Durner AU - Steven C. Amstrup AU - Todd C. Atwood AU - David C. Douglas AU - Anthony S. Fischbach AU - Jay W. Olson AU - Karyn D. Rode AU - Ryan H. Wilson PY - 2020 DO - 10.3133/ds1121 UR - https://pubs.usgs.gov/publication/ds1121 ID - ds1121 ER -