Spokane, Portland and Seattle Railway Engineering Drawing: Abutment 1 Plan/Elevation, Bridge E66.6 - Salem Parkway, south of Hopmere, Oregon, Line Segment 442, Milepost 66.60. Sheet 296 - 8431 - 8, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Abutment 1 Retaining Walls, Bridge E66.6 - Salem Parkway, south of Hopmere, Oregon, Line Segment 442, Milepost 66.60. Sheet 296 - 8431 - 9, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Abutment 3 Plan/Elevation, Bridge E66.6 - Salem Parkway, south of Hopmere, Oregon, Line Segment 442, Milepost 66.60. Sheet 296 - 8431 - 11, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Abutment 3 Retaining Walls, Bridge E66.6 - Salem Parkway, south of Hopmere, Oregon, Line Segment 442, Milepost 66.60. Sheet 296 - 8431 - 12, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Concrete Pile Detail/Standard, Bridge E66.6 - Salem Parkway, south of Hopmere, Oregon, Line Segment 442, Milepost 66.60. Sheet 296 - 8431 - 13, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Deck Details, Bridge E66.6 - Salem Parkway, south of Hopmere, Oregon, Line Segment 442, Milepost 66.60. Sheet 296 - 8431 - 4, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Foundation Data, Bridge E66.6 - Salem Parkway, south of Hopmere, Oregon, Line Segment 442, Milepost 66.60. Sheet 296 - 8431 - 3, undated.