@misc{indiciaef634e8de0534, title = {Potential effects of changing water conditions on mallards wintering in the Mississippi alluvial valley}, author = {K. J. Reinecke and R.C. Barkley and C.K. Baxter}, year = {1988}, url = {https://pubs.usgs.gov/publication/5210082}, note = {Source identifier: 5210082} }