Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Drum, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 12 - 7, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Drum Support, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 4 - 15, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Drum Segments, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 24 - 2, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Drum Segments, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 24 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Drum Segment, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 4 - 14, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Drum Beam, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 4 - 3, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - DR/Splice/56, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 205 - 41, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - DR/Splice, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 205 - 8, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Document, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 26 - 34, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diaphragm/Ladder, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 205 - 7, undated.