PT - JOURNAL ARTICLE AU - Kenneth R. Olson AU - Lois Wright Morton TI - Dredging of the fractured bedrock–lined Mississippi River Channel at Thebes, Illinois AID - 10.2489/jswc.69.2.31A DP - 2014 Mar 01 TA - Journal of Soil and Water Conservation PG - 31A--35A VI - 69 IP - 2 4099 - http://www.jswconline.org/content/69/2/31A.short 4100 - http://www.jswconline.org/content/69/2/31A.full