Hi: I will add buffer stops to the yard. It is an American yard belonging to D&RGW. Diesels run here. Which one of these (picture) should work? https://drive.google.com/open?id=1mRVBfYCNU5X0LCquhdt-eeTxGA6tPVtn Thanks
I'm not certain about D&RGW practice, but many spurs in North America terminate with a simple pile of crossties or wheel stops like these I photographed a few years ago. I'm not sure of your scale, but Tomar used to offer similar Hayes Wheel Stops in HO and N. Tomar's product line has since been sold, but these remain available it seems.
I doubt they confined themselves to one type. But this seems to indicate they did use the one on the left at Alamosa.
THe original picture looks like the ones we have in Europe where there is no knuckle copling, but the old style hook, screw and buffers. Not sure especially the one on the left is used in the US.
I have seen those flat panels on the right in small freight yards. They help provide a bumper for the flat cars. The bumpers on the left look strictly European, for the cars with bumper horns.