I found the images below at Denver Public Library:
[photoswest.org]
[photoswest.org]
[photoswest.org]
[photoswest.org]
I don't know if they help too much, but I think the "swerve" in the current line maps to the siding branching off the alongside the warehouse in the third picture (the track and 'swerve' is hidden behind the train). The 1st picture is looking south toward New Mexico, the second looks back at the water tank (showing what I hope is the siding in question), the third picture is taken (i believe from adjacent the warehouse shown in picture 4. The fourth image (from the 1880's) is an interesting view of the whole station area. I didn't realise there was as much "stuff" near the depot in the old days