Spokane, Portland and Seattle Railway Engineering Drawing: Shims, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet SS - 508, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shims, Bridge 53.5 - Rock Creek, east of North Bonneville, Washington, Line Segment 047, Milepost 53.54. Sheet 00 - 639, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shims, Bridge 53.5 - Rock Creek, east of North Bonneville, Washington, Line Segment 047, Milepost 53.54. Sheet 00 - 639A, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shims for Girder, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet WW - 353, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shims for Girder, Bridge 31.3 - Hathaway Creek, east of Washougal, Washington, Line Segment 047, Milepost 31.32. Sheet CC - 513, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shims for Concrete Pedestal, Bridge A35.5 (151) - Tide Creek, west of Reichhold, Oregon, Line Segment 440, Milepost 35.45. Sheet N - 3 - 15, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shims and Anchor Bolts, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet SS - 626, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shims - Abutments, Bridge 269.1 - Wilson Canyon, Farrington, Washington, Line Segment 047, Milepost 269.1. Sheet CC - 534, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shim and Anchor Plan, Bridge 7.0 - Maegley Junction, East Saint Johns, Oregon, Line Segment 047, Milepost 7.05. Sheet SS 512, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shim and Anchor Plan, Bridge 7.0 - Maegley Junction, East Saint Johns, Oregon, Line Segment 047, Milepost 7.05. Sheet SS 512 1/2, undated.