This scene dates to the 1890's on the Sumpter Valley Ry. Brooks mogul #2 is bringing 30 cars of logs down out of Boulder Gorge. #2 is Brooks C/N 626 built in 1881 for the Utah & Northern. It was one of the first two engines on the Sumpter Valley coming in either the fall / winter of 1890 or in early 1891.