Ok, the train. I've located an illustration of camp minden:

[link to dc312.4shared.com]

The area in question is "L-1" in the lower right hand corner.

"Sexton describes the bunker, in the "L-1 area," as an "igloo," constructed of concrete. He says they were built in the 50s. "

[link to www.ksla.com]

I then crossed ref with Google maps and located the parked trains. Here's the approx. coordinates: 32.559759, -93.364654

That's just for reference. I went back and watched the vid, and the reporter said the train was "driving by" (@1:25 in the vid). That's clearly wrong IMO. It looks like the trains have been stored there, as pointed out to me earlier, on a unused portion of track. Not to mention they're rusty as hell.