Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge 7.4 - Columbia Slough, north of East Saint Johns, Oregon, Line Segment 047, Milepost 7.40. Sheet C4524, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge 7.4 - Columbia Slough, north of East Saint Johns, Oregon, Line Segment 047, Milepost 7.40. Sheet C4524, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Crossing, Bridge 7.0 - Maegley Junction, East Saint Johns, Oregon, Line Segment 047, Milepost 7.05. Sheet AA - 603 - 4, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Crossing, Bridge 7.0 - Maegley Junction, East Saint Johns, Oregon, Line Segment 047, Milepost 7.05. Sheet AA - 603 - 5, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Rivet/Bolts, Bridge 7.4 - Columbia Slough, north of East Saint Johns, Oregon, Line Segment 047, Milepost 7.40. Sheet C4524, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Telegraph Brackets, Bridge 7.4 - Columbia Slough, north of East Saint Johns, Oregon, Line Segment 047, Milepost 7.40. Sheet TV - 333, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Through Span, Bridge 7.4 - Columbia Slough, north of East Saint Johns, Oregon, Line Segment 047, Milepost 7.40, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 7.0 - Maegley Junction, East Saint Johns, Oregon, Line Segment 047, Milepost 7.05. Sheet TV - 267, 1923.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 7.0 - Maegley Junction, East Saint Johns, Oregon, Line Segment 047, Milepost 7.05. Sheet AA603, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 7.4 - Columbia Slough, north of East Saint Johns, Oregon, Line Segment 047, Milepost 7.40. Sheet NO 466, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: west Access Map, Bridge 7.4 - Columbia Slough, north of East Saint Johns, Oregon, Line Segment 047, Milepost 7.40. Sheet RR - 350, 1943. Note: Steel spans and AFE truss