Sept. 10-25, 1988 - 2nd state record
(1); Alton Dam (now RMBS), St. Charles Co.; D. Becher, Ron Goetz et al; R & E.
Oct. 30, 1976 - 1st state record
(Adult male); Specimen (NWMSU, DST 110); Maryville Sewage Lagoon, Nodaway Co.; David Easterla; R & E, BB 44:22.
Feb. 12-27, 1991 - 3rd state record
(Adult); Photographed; Gravois Mills-Lake of the Ozarks, Morgan Co.; A. Contreras, Paul McKenzie et al; 4th Annual MBRC Report; 1991-4, and BB 58:53-55.