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

Northern Pacific Engineering Drawing: Shop Plan - Ballast, etc., Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6. Sheet 292 - CD - 4, undated.

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

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

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

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

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

Northern Pacific Engineering Drawing: Shop Plan - Bottom Lateral, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6. Sheet 292 - C - 12, undated.

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

Northern Pacific Engineering Drawing: Shop Plan - Counterweight Box, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6. Sheet 292 - C - 16, undated.