As you might have known, class B-70-38 boxcars were an order of 1,901 cars (EFCX 1000-2900) built from 1966-67 for Evergreen Freight Car Corporation. It appears that most cars were delivered with YSD doors (similar to B-100-8), while the remaining cars were built with Superior doors: EFCX 1458 with YSD door: http://www.railcarphotos.com/PhotoDetails.php?PhotoID=69091 EFCX 2507 with Superior door: http://www.railcarphotos.com/PhotoDetails.php?PhotoID=69408 Was there a specific preference to which doors were used for each car? If so, which numbers in the series have the Superior doors?
