Sleeper 1459 “Gasconade River” by Frisco.org Posted on September 6, 2018 Sleeper 1459 “Gasconade River” Sleeper 1459 “Gasconade River” (date and location unknown) (Mike Condren). This entry was posted in CA Collection and tagged 1459, Gasconade River, Passenger Service, Sleeper. Bookmark the permalink.