The Yuma County, Colorado Sheriff's office has been searching from the air and on the ground along 160 miles of Amtrak rails from Fort Morgan, Colorado to McCook, Nebraska, looking for 69 year old, Charles Dowd. The retired California firefighter disappeared from a train somewhere between eastern Colorado and western Nebraska. Dowd was last seen Sept. 13 on a California-to-Chicago Amtrak train. Passengers who saw the 69-year-old Dowd that night have investigators thinking he may have fallen off the train somewhere between Fort Morgan, Colo., and McCook, Neb.