In a summer downpour, the southbound Grain Shuttle off the Palouse River & Coulee City sweeps through the S-curve at Park in the Palouse Canyon between Hooper and Joso.
An Ex-SP GP35 and an Ex-D&H GP39-2 lead a transfer from the KCS past Tower 14 at Adams St. Interlocking as it heads for its terminus at Mill St. Yard a short distance away.