Photograph of the steamboat DELTA QUEEN near a railroad bridge north of Hannibal, Mo. "15 barge tow ran into this bridge knocking down center span. April 1981. Turn table swing section on left side of picture in open position. No loss of life or boat. Accident caused by swing section tender not opening section after train passed over. Fast currant and slow opening left no place to go for the tow.”
Map of the Mississippi River around Hannibal, Missouri. Complied from survey of Upper Mississippi River in 1878 and 1879 under direction of Bvt. Lt. Col. F. U. Farquhar, U.S.A. Major, Corps of Engr's; with additions from notes and surveys done under the direction of Bvt. Maj. Gen'l G. K. Warren, U.S.A. Major, Corps of Engr's, Col. J. N. Macomb, Corps of Engr's and Major A. MacKenzie, Corps of
Photograph of pilot and unknown child in the pilothouse of the steamboat DELTA QUEEN. “Pilot Ware in Pilot House while docked in Hannibal. Note Official Number of ship above windshield. Same as posted in stairwell in engine room. This was about 5:30 PM Saturday on the day of accident. / 1980.”