Northern Pacific 50-foot, single plug door, refrigerator car 97798 is on a siding at Enid, Oklahoma, on May 19, 1995. The car is part of the 97700-97799 number series. Photo by GJ Werkema. Other subject classes: freight car, refrigerator car

Missouri, Kansas & Texas Railway diesel locomotive 96 at Oklahoma City, Oklahoma on June 23, 1982. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Missouri, Kansas & Texas Railway diesel locomotive 18 at Oklahoma City, Oklahoma on June 23, 1982. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Missouri, Kansas & Texas Railway diesel locomotive 18 at Oklahoma City, Oklahoma on June 23, 1982. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Missouri, Kansas & Texas Railway diesel locomotive 122 at Oklahoma City, Oklahoma on June 23, 1982. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Missouri, Kansas & Texas Railway diesel locomotive 122 at Oklahoma City, Oklahoma on June 23, 1982. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Missouri, Kansas & Texas Railway diesel locomotive 12 at Oklahoma City, Oklahoma on June 23, 1982. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Missouri, Kansas & Texas Railway diesel locomotive 12 at Oklahoma City, Oklahoma on June 23, 1982. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Burlington Northern truck at Oklahoma City, Oklahoma, on June 28, 1982. Former St. Louis San Francisco Railroad number 4499, a Chevrolet truck is parked at the freight yard in Oklahoma City, Oklahoma. Photo by J.M. Fredrickson. Other Subject Classes: truck, freight yard, maintenance of way

Burlington Northern diesel locomotive 76, formerly Saint Louis and San Francisco 301, at Tulsa, Oklahoma in 1982. Number 76 is an SW7 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.