Spokane, Portland and Seattle Railway Engineering Drawing: Rail Joint Casting, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet WX - 208, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Rail Joint Casting, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet WX - 208, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Rail Expansion Clamp, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet TV - 282, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Rack Segments/Pin, Bridge A94.9 - John Day River, west of Knappa, Oregon, Line Segment 440, Milepost 94.80, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Rack Circle, Bridge A84.8 - Blind Slough, west of Clifton, Oregon, Line Segment 440, Milepost 84.71, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Protect Pier Details, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet NO - 408, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Protect Pier Details, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet 408 - C, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Road Overcrossing, Bridge 354.1 - Overhead Road, north of Amber, Washington, Line Segment 047, Milepost 354.1. Sheet 771 - 12, 1907. Note: Timber bridge
Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Road Overcrossing, Bridge 352.3 - Overhead Road, north of Amber, Washington, Line Segment 047, Milepost 352.3. Sheet, 1908. Note: Timber bridge
Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Road Overcrossing, Bridge 350.6 - Overhead Road, north of Amber, Washington, Line Segment 047, Milepost 350.6. Sheet, 1907. Note: Timber bridge