TY - RPRT TI - Offshore marine observation of Willow Ptarmigan, including water landings, Kuskokwim Bay, Alaska AU - Christian E. Zimmerman AU - Nicola Hillgruber AU - Sean E. Burril AU - Michelle A. St. Peters AU - Jennifer D. Wetzel PY - 2005 DO - 10.1676/04-074 UR - https://pubs.usgs.gov/publication/70028867 ID - 70028867 ER -