Ex-C&NW and yes can be done using Red Caboose model.  There is a photo of LS&I 6337 on page 23 of the Henry Maywald "Classic Freight Cars" book Vol 6.  It has "bulkheads" made from what looks like steel pipe and has a pulpwood load.  Probably in captive service at a paper mill the way the load is heaped up on it.