Spokane, Portland and Seattle Railway Company--Box Canyon Viaduct (NRIS 100003280)

Address: Milepost 270.0, former SP&S RR line, Windust Vicinity, Washington. County/parish: Franklin.

Added to the National Register of Historic Places December 31, 2018.

National Park Service documentation: https://npgallery.nps.gov/AssetDetail/NRIS/100003280

LC