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.

Spokane, Portland and Seattle Railway Engineering Drawing: Bridge Section, Bridge 58.8 - Wind River, east of Stevenson, Washington, Line Segment 047, Milepost 58.74. Sheet N - 2 - 6, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Bridge Plans, Bridge 74.6, Underwood, Washington, Line Segment 047, Milepost 75.29. Sheet JK - 309, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Bridge Construction/Fill, etc., Bridge Standard Plan. Sheet TV - 226, undated.