Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Pin/Nuts, Bridge G2.1 - County Road, north of Lyle, Washington, Line Segment 439, Milepost 2.02. Sheet G - 2 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Pin/Gear/Washer, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet 231 - 7065 - 17, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Pin Span, Bridge 72.8 - White Salmon River, east of Hood, Washington, Line Segment 047, Milepost 72.80. Sheet JK - 322, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Pin Span, Bridge 72.8 - White Salmon River, east of Hood, Washington, Line Segment 047, Milepost 72.80. Sheet JK - 321, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Pin Span, Bridge 72.8 - White Salmon River, east of Hood, Washington, Line Segment 047, Milepost 72.80. Sheet JK - 323, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Pin Span, Bridge 58.8 - Wind River, east of Stevenson, Washington, Line Segment 047, Milepost 58.74. Sheet B 3820, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Pin Span, Bridge 58.8 - Wind River, east of Stevenson, Washington, Line Segment 047, Milepost 58.74. Sheet JK - 337, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Pin Pilots, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 23 - 29, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Piers, Bridge E43.4 - Willamette River, south of Tualatin, Oregon, Line Segment 442, Milepost 43.24. Sheet 370 - 6592 - 87, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Pier 5, Bridge E43.4 - Willamette River, south of Tualatin, Oregon, Line Segment 442, Milepost 43.24. Sheet 370 - 6592 - 89, undated.