TY - RPRT TI - Relationship among side channels, fish assemblages, and environmental gradients in the unimpounded Upper Mississippi River AU - V.A. Barko AU - D.P. Herzog PY - 2003 DO - 10.1080/02705060.2003.9663973 UR - https://pubs.usgs.gov/publication/1003506 ID - 1003506 ER -