Northern Pacific Engineering Drawing: Tie Plan, Bridge 116 - Missoula River, west of Bonner, Montana, Line Segment 042, Milepost 116.1. Sheet 775 - 30, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 116 - Missoula River, west of Bonner, Montana, Line Segment 042, Milepost 116.1. Sheet 775 - 30, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 116 - Missoula River, west of Bonner, Montana, Line Segment 042, Milepost 116.1. Sheet 775 - 30, undated.

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

Northern Pacific Engineering Drawing: Tie Plan, Bridge 113 - Big Blackfoot River, west of Bonner, Montana, Line Segment 042, Milepost 113.9. Sheet 775 - 25, undated.

Northern Pacific Engineering Drawing: Tie Details, Bridge 114.1 - Clark Fork River, west of Bonner, Montana, Line Segment 042, Milepost 114.3. Sheet VF 1263 - 12, undated.

Northern Pacific Engineering Drawing: Survey Location River Bridge, Bridge 116 - Missoula River, west of Bonner, Montana, Line Segment 042, Milepost 116.1. Sheet 775 - 30, undated.

Northern Pacific Engineering Drawing: Survey for Location, Bridge 114.1 - Missoula River, west of Bonner, Montana, Line Segment 042, Milepost 114.3. Sheet 775 - 31, undated.

Northern Pacific Engineering Drawing: Stress Sheet, Bridge 116 - Missoula River, west of Bonner, Montana, Line Segment 042, Milepost 116.1. Sheet 775 - 30, undated.

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