RT Journal Article SR Electronic T1 Sinkholes and sand boils during 2011 record flooding in Cairo, Illinois JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 49A OP 54A DO 10.2489/jswc.70.3.49A VO 70 IS 3 A1 Lois Wright Morton A1 Kenneth R. Olson YR 2015 UL http://www.jswconline.org/content/70/3/49A.abstract AB