TY - RPRT TI - Geochemical characterization of streambed sediment in the upper Illinois River basin AU - J.A. Colman AU - R. F. Sanzolone PY - 2007 DO - 10.1111/j.1752-1688.1992.tb03193.x UR - https://pubs.usgs.gov/publication/70017332 ID - 70017332 ER -