Northern Pacific Engineering Drawing: Changes - Rail lock, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6. Sheet 1080 - 8, 1935.

Northern Pacific Engineering Drawing: Condition of Piling, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6, undated.

Northern Pacific Engineering Drawing: Condition of Piling, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6, undated.

Northern Pacific Engineering Drawing: Condition of Piling, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6, undated.

Northern Pacific Engineering Drawing: Cutting Layout, Bridge 105 - Kalama River, south of Longview Junction, Washington, Line Segment 052, Milepost 105.6. Sheet 429 - 16, undated.

Northern Pacific Engineering Drawing: Deck Plan, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6. Sheet 1080 - 8, 1935.

Northern Pacific Engineering Drawing: Detail of Falsework, Bridge 105 - Kalama River, south of Longview Junction, Washington, Line Segment 052, Milepost 105.6. Sheet 429 - 16, undated.