The Olympia portion of the railroad buisness ended in the summer of 2008 (see page 18 below).
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cms.cityoftacoma.org]
Basically, the buiness went from an 'as needed basis' to virtually nothing, the TCRY was losing money with leasing locomotives. The Port of Olympia is now served by Tacoma Rail.
The Private car is now stored in Richland. It arrived in September.
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raolson.rrpicturearchives.net]
The bulk grain is being off loaded as feed and trucked all over eastern WA and OR for the numerous farms/ranches.