How about a Delta Southern CF7, photo at this link:
http://www.trainphotos.com/PhotoDetails.php?PhotoID=6575
Other photos here:
http://rrpicturearchives.net/locoList.aspx?id=DSRR
I'm not sure they are still operating, but they had 3 non-joined lines from Tallulah, LA (KCS) to McGhee, AR (UP), Monroe, LA (KCS/UP) to Sterlington, LA, and Dermott, AR (UP) to Warren, AR at one time.