@misc{indiciaec917106dc404, title = {Spring prey use by double-crested cormorants on the Penobscot River, Maine, USA}, author = {B.F. Blackwell and W.B. Krohn and N.R. Dube and A.J. Godin}, year = {1997}, url = {https://pubs.usgs.gov/publication/70019219}, note = {Source identifier: 70019219} }