Northern Pacific Engineering Drawing: Proposed for Rebuilding, Bridge 55 - Saslzer Creek, south of Centralia, Washington, Line Segment 052, Milepost 55.9. Sheet 2009 - 3, undated.

Northern Pacific Engineering Drawing: Proposed for Rebuilding, Bridge 55 - Saslzer Creek, south of Centralia, Washington, Line Segment 052, Milepost 55.9. Sheet 2009 - 3, undated.

Northern Pacific Engineering Drawing: Proposed for Rebuilding, Bridge 55 - Saslzer Creek, south of Centralia, Washington, Line Segment 052, Milepost 55.9. Sheet 2009 - 3, undated.

Northern Pacific Engineering Drawing: Proposed Filling Portal, Bridge 17.2 - White River, south of Kent, Washington, Line Segment 051, Milepost 17.7. Sheet 433 - 25, undated.

Northern Pacific Engineering Drawing: Proposed Fender Piling, Bridge 14 - Chambers Creek, south of Titlow, Washington, Line Segment 052, Milepost 14.2, undated.

Northern Pacific Engineering Drawing: Proposed Falsework, Bridge 71.5 - Station Subway, Spokane, Washington, Line Segment 045, Milepost 71.50. Sheet 1269 - 4, undated.

Northern Pacific Engineering Drawing: Proposed Extension south Wing, Bridge 114.1 - Missoula River, west of Bonner, Montana, Line Segment 042, Milepost 114.3. Sheet 775 - 31, undated.