Northern Pacific Engineering Drawing: Shop Plan - Girder, etc., Bridge 58 - Palouse River, west of Perma, Washington, Line Segment 384, Milepost 58.4. Sheet 1069 - 36, undated.
Northern Pacific Engineering Drawing: Shop Plan - Girder, etc., Bridge 58 - Palouse River, west of Perma, Washington, Line Segment 384, Milepost 58.4. Sheet 1069 - 36, undated.
Northern Pacific Engineering Drawing: Shop Plan - Lateral, etc., Bridge 58 - Palouse River, west of Perma, Washington, Line Segment 384, Milepost 58.4. Sheet 1069 - 36, undated.
Northern Pacific Engineering Drawing: Standard Detail End Bearing, Bridge 58 - Palouse River, west of Perma, Washington, Line Segment 384, Milepost 58.4. Sheet 1069 - 36, undated.
Northern Pacific Engineering Drawing: Standard Plan Deck Plate Girder (DPG), Bridge 58 - Palouse River, west of Perma, Washington, Line Segment 384, Milepost 58.4. Sheet 1069 - 36, undated.
Northern Pacific Engineering Drawing: Superstructure, Bridge 58 - Palouse River, west of Perma, Washington, Line Segment 384, Milepost 58.9. Sheet 434 - 16, undated.
Northern Pacific Engineering Drawing: Tie Plan, Bridge 58 - Palouse River, west of Perma, Washington, Line Segment 384, Milepost 58.4. Sheet 1069 - 36, 1947.