TY  - RPRT
TI  - Concentrated nesting of mallards and gadwalls on Miller Lake Island, North Dakota
AU  - Harold F. Duebbert
AU  - John T. Lokemoen
AU  - David E. Sharp
PY  - 1983
DO  - 10.2307/3808608
UR  - https://pubs.usgs.gov/publication/1001481
ID  - 1001481
ER  -