Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge T105.6 - Willow Creek, Madras, Oregon, Line Segment 053, Milepost 105.57. Sheet B9508T, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge T105.6 - Willow Creek, Madras, Oregon, Line Segment 053, Milepost 105.57. Sheet B9508T, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge S29.3, Sweet Home, Oregon, Line Segment 457, Milepost 29.25. Sheet PQ304A, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, 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 - Bill of Material, 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 - Bill of Material, 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 - Bill of Material, 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 - Bill of Material, 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 - Bill of Material, Bridge F5.7 - Dairy Creek, west of Hillsboro, Oregon, Line Segment 458, Milepost 5.65. Sheet D - 9375, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge F5.7 - Dairy Creek, west of Hillsboro, Oregon, Line Segment 458, Milepost 5.65. Sheet D - 9375, undated.