TY - RPRT TI - Relation of periphyton and benthic invertebrate communities to environmental factors and land use at selected sites in part of the upper Mississippi River basin, 1996-98 AU - Jeremy Ryan ZumBerge AU - Kathy Lee AU - Robert M. Goldstein PY - 2003 DO - 10.3133/wri034121 UR - https://pubs.usgs.gov/publication/wri034121 ID - wri034121 ER -