TY  - RPRT
TI  - Distribution and status of the Southwestern Willow Flycatcher along the Colorado River in the Grand Canyon: 1994
AU  - M. K. Sogge
AU  - Timothy J. Tibbitts
PY  - 1994
UR  - https://pubs.usgs.gov/publication/70129536
ID  - 70129536
ER  -