Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Lateral, Bridge E43.4 - Willamette River, south of Tualatin, Oregon, Line Segment 442, Milepost 43.24. Sheet 370 - 6592 - 54, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Grill, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 201 - 42, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Grill, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 201 - 39, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Grill, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 201 - 40, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Grill, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 201 - 41, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Chords, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 14 - 21, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Chords, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 10 - 5, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Chords, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 9 - 6, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Chords, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 9 - 7, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Chords, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 19 - 4, undated.