Northern Pacific Engineering Drawing: Walk Plan, Bridge 36 - Jocko River, west of Ravalli, Montana, Line Segment 043, Milepost 36.95. Sheet 441 - 22, undated.
Northern Pacific Engineering Drawing: Walk Plan, Bridge 36 - Jocko River, west of Ravalli, Montana, Line Segment 043, Milepost 36.95. Sheet 441 - 22, undated.
Northern Pacific Engineering Drawing: Walk Plan, Bridge 35 - Jocko River, west of Ravalli, Montana, Line Segment 043, Milepost 35.95. Sheet 441 - 22, undated.
Northern Pacific Engineering Drawing: Walk Plan, Bridge 31 - Jocko River, west of Ravalli, Montana, Line Segment 043, Milepost 31.1. Sheet 441 - 22, undated.
Northern Pacific Engineering Drawing: Tie Plan, Bridge 40 - Wild Horse Creek, west of Ravalli, Montana, Line Segment 043, Milepost 40.8. Sheet 441 - 61, 1952.
Northern Pacific Engineering Drawing: Tie Plan, Bridge 31 - Jocko River, west of Ravalli, Montana, Line Segment 043, Milepost 31.1. Sheet 441 - 22, 1958.
Northern Pacific Engineering Drawing: Repair east Abutment/Pier 2, Bridge 31 - Jocko River, west of Ravalli, Montana, Line Segment 043, Milepost 31.1. Sheet 441 - 22, undated.
Northern Pacific Engineering Drawing: Reinforcement/Girder Span, Bridge 36 - Jocko River, west of Ravalli, Montana, Line Segment 043, Milepost 36.95. Sheet 441 - 22, undated.
Northern Pacific Engineering Drawing: Reinforce Through Plate Girder, Bridge 36 - Jocko River, west of Ravalli, Montana, Line Segment 043, Milepost 36.95. Sheet 441 - 22, undated.
Northern Pacific Engineering Drawing: Plan/Detail Pier/Abutment, Bridge 36 - Jocko River, west of Ravalli, Montana, Line Segment 043, Milepost 36.95. Sheet 441 - 22, undated.
Northern Pacific Engineering Drawing: Plan/Detail Pier/Abutment, Bridge 35 - Jocko River, west of Ravalli, Montana, Line Segment 043, Milepost 35.95. Sheet 441 - 22, undated.