Calico Railroad:
From the Chicken Dinner Restaurant placemat I learned that in 1952, Walter bought America's last operating railroad, the Denver and Rio Grande, and moved it in its entirety to Knott's Berry Farm. The steam-powered train is christened the Ghost Town & Calico Railroad, proving a perfect addition to the growing Ghost Town. The train first circled the parking lot, but now is surrounded by other attractions in the park. In 2012, the 60th Anniversary of the Ghost Town and Calico Railroad was celebrated with a Golden Spike Ceremony and the re-naming of engine 41 to “Walter K.” after Knott's founder Walter Knott.
http://trainweb.org/carl/KnottsBerryFarm