1 Based on full pool at dam and discharges which are equaled or exceeded 90 percent of the time. 2 Based on maximum discharge of record. Above low water of 1904 in lieu of full pool. Based on full pool at dam and discharges which are equalled or exceeded 90 percent of the time. Location IMPORTANT GAUGES MISSISSIPPI RIVER, OHIO RIVER TO MINNEAPOLIS, MINN. Powers Island, Mo. Counterfeit Rock, Mo. Chester, Ill Little Rock Landing, Mo. Waters Point, Mo.. Jefferson Barracks, Mo. St. Louis, Mo. (Engineer Depot). Alton, Ill Sterling Landing, Mo. Dam No. 24 (upper). See footnotes at end of table, p. 277. |