TY - RPRT TI - Surface-water-quality assessment of the upper Illinois River Basin in Illinois, Indiana, and Wisconsin: Cross-sectional and depth variation of water-quality constituents and properties in the upper Illinois River Basin, 1987-88 AU - Donna C. Marron AU - Stephen F. Blanchard PY - 1995 DO - 10.3133/wri954021 UR - https://pubs.usgs.gov/publication/wri954021 ID - wri954021 ER -