This photo of a 100 ton 50' Bulkhead Flat Car was taken in Santa Clara, CA, SP yard, August 1997. by Tom Daspit. Originally built as Roll-Up Door box cars in 1961 by Pullman-Standard. Sixteen cars in the series 9800-9999, were modified in 1969 by Custom Services, and renumbered. Car numbers in the series are 569000-569124.