TY - RPRT TI - Contaminant levels in eggs of American white pelicans, Pelecanus erythrorhynchos, from Chase Lake, North Dakota AU - Pamela J. Pietz AU - Marsha A. Sovada AU - Christine M. Custer AU - Thomas W. Custer AU - Kevin M. Johnson PY - 2008 UR - https://pubs.usgs.gov/publication/70039107 ID - 70039107 ER -