TY - RPRT TI - Water Resources Data, Illinois, Water Year 2001 AU - M.L. Harris AU - P.J. Draper AU - D.L. Schrader PY - 2002 DO - 10.3133/wdril011 UR - https://pubs.usgs.gov/publication/wdrIL011 ID - wdrIL011 ER -