Once upon a time, we toured the UP rust streaks to the junction with the former CK&S.

In a garage was a rail motorcar. Did a museum group "rescue" it?

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During a much later visit, we chose to visit the Arlington landfill operation. A supervisor at the transfer station office gave us a tour. Very worthwhile.

Over on the Roosevelt side of the Columbia River, visitors were (maybe still are) welcome to follow the trucks up to a viewpoint with graphics showing their logic for different classes.