TY - RPRT TI - Benthic macroinvertebrate assemblages and their relations with environmental variables in the Sacramento and San Joaquin River drainages, California, 1993-1997 AU - Larry R. Brown AU - Jason T. May PY - 2000 DO - 10.3133/wri004125 UR - https://pubs.usgs.gov/publication/wri004125 ID - wri004125 ER -