Northern Pacific Engineering Drawing: Shop Plan - Top Chord, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6, undated.

Northern Pacific Engineering Drawing: Shop Plan - Top Chords, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6, undated.

Northern Pacific Engineering Drawing: Shop Plan - Top Lateral, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6, undated.

Northern Pacific Engineering Drawing: Shop Plan - Top Lateral, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6. Sheet 292 - C - 13, undated.

Northern Pacific Engineering Drawing: Shop Plan - Top Lateral, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6, undated.

Northern Pacific Engineering Drawing: Shop Plan - Top Posts, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6, undated.

Northern Pacific Engineering Drawing: Shop Plan - Track Girder, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6. Sheet 292 - C - 5, undated.

Northern Pacific Engineering Drawing: Shop Plan - Transverse Detail, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6, undated.

Northern Pacific Engineering Drawing: Shop Plan - Truss, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6. Sheet 292 - C - 8, undated.

Northern Pacific Engineering Drawing: Shop Plan - Truss, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6. Sheet 292 - C - 9, undated.