Turning Four Trains at Silverton? *LINK*

There is a fare special going on right now for flights between my local airport and DRO... so I started looking at the D&SNG's schedule page. According to it, they run four trains a day Mondays thru Thursdays between June 20 thru August 10.
How do they pull this off at Silverton when, at 1:15 PM, the first train is leaving, the fourth is arriving, and the second and third trains are being serviced? I presume the arriving and departing trains get the two loading and unloading tracks... while the 2nd train ends up in the siding next to the Silverton depot while the 3rd train is down at the wye. Is there any other way for them to pull this off?
I think I'm going to have schedule a trip just to photograph this ballet...
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Chris Webster
[www.speakeasy.org]
Do the arriving and departing trains use the two spurs at the end of the line