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Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bearings, 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 - Bearings, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 12 - 3, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bearing, Bridge E66.6 - Salem Parkway, south of Hopmere, Oregon, Line Segment 442, Milepost 66.60. Sheet 296 - 8431 - 19, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bearing Plates, Bridge 0.1 - north Portland Road, North Portland Junction, Oregon, Line Segment 047, Milepost 0.07. Sheet HA - 044, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bearing Plate, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 24 - 8, undated.