TY - RPRT TI - Geologic characteristics of the central stretch of the Ticona Channel, north-central Illinois AU - B.A. Willems AU - D.H. Malone AU - A. Pugin PY - 2007 DO - 10.1306/eg.05030606002 UR - https://pubs.usgs.gov/publication/70031686 ID - 70031686 ER -