TY - RPRT TI - Fish assemblage shifts in the Powder River of Wyoming: an unregulated prairie river system previously considered to be relatively pristine. AU - Anna C. Senecal AU - Annika W. Walters AU - Wayne A. Hubert PY - 2015 DO - 10.1890/es14-00361.1 UR - https://pubs.usgs.gov/publication/70173768 ID - 70173768 ER -