TY  - RPRT
TI  - Occupancy and habitat use of the Least Bittern and Pied-Billed Grebe in the Illinois and Upper Mississippi River Valleys
AU  - Abigail J. Darrah
AU  - David G. Krementz
PY  - 2010
DO  - 10.1675/063.033.0314
UR  - https://pubs.usgs.gov/publication/70148192
ID  - 70148192
ER  -