Spokane, Portland and Seattle Railway Engineering Drawing: Cast Iron Shims, Bridge 24.8 - Washougal River (West End), Washington, Line Segment 047, Milepost 28.78. Sheet 00 - 601, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Cast Iron Shims - Girders and Abutment, Bridge 304.4 - Cow Creek, north of Hooper, Washington, Line Segment 047, Milepost 304.4. Sheet RR - 386, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Cast Bed Plate, Bridge Standard Plan. Sheet NN - 178, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Caps - Brackets - Sizing - Preboring, Bridge Standard Plan. Sheet 00 - 615, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Cap, Girder and Handrail, Bridge A86.6 - Overpass, Knappa, Oregon, Line Segment 440, Milepost 84.71. Sheet TV - 426, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Cap Frame Detail, Bridge 29.5 Public Oh, west of Saint Helens, Oregon, Line Segment 440. Sheet TV268 - B, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Cable Way for Placing Rock, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet RR - 513, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Cable Junction Box, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 13 - 32, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Cable Boxes, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Cable Arrangement, Bridge 133.7 - Rock Creek, east of Cliffs, Washington, Line Segment 047, Milepost 133.66. Sheet NO - 151, undated.