TY  - RPRT
TI  - Nest initiation and clutch size of great blue herons on the Mississippi River in relation to the 1993 flood
AU  - T. W. Custer
AU  - R. K. Hines
AU  - Christine M. Custer
PY  - 1996
DO  - 10.2307/1369135
UR  - https://pubs.usgs.gov/publication/1002898
ID  - 1002898
ER  -