TY - RPRT TI - Effects of grade control structures on the macroinvertebrate assemblage of an agriculturally impacted stream AU - M.E. Litvan AU - T.W. Stewart AU - C.L. Pierce AU - C.J. Larson PY - 2007 DO - 10.1002/rra.1063 UR - https://pubs.usgs.gov/publication/70033712 ID - 70033712 ER -