The ex-Sante Fe cabooses were spread throughout the SLSF 1100-1199 series. Please see the following link. http://www.frisco.org/vb/showthread.php?t=830 Check out the 1100-1199 sub-heading for information, photographs and links to pictures. Rich
They were sold before the Atchison, Topeka and Santa Fe (ATSF) started their caboose rebuilding program. They did not receive the sealed side windows and other modifications associated with the later Santa Fe caboose modernization program. As a result, they were not rebuilt to Santa Fe Class CE-1 cabooses. Therefore, they did not get a ATSF 999000 - 999314 series number.