Northern Pacific Engineering Drawing: Detail Longitudinal Steel Reinforcement, Bridge 18 - Austin Gulch, west of Skyline, Montana, Line Segment 042, Milepost 18.9. Sheet 1067 - 9, undated.

Northern Pacific Engineering Drawing: Detail of Cap Plates, Bridge 18 - Austin Gulch, west of Skyline, Montana, Line Segment 042, Milepost 18.9. Sheet 1067 - 9, undated.

Northern Pacific Engineering Drawing: Detail of Column Reinforcement, Bridge 18 - Austin Gulch, west of Skyline, Montana, Line Segment 042, Milepost 18.9. Sheet 1067 - 9, undated.

Northern Pacific Engineering Drawing: Detail of Column Reinforcement, Bridge 18 - Austin Gulch, west of Skyline, Montana, Line Segment 042, Milepost 18.9. Sheet 1067 - 9, undated.

Northern Pacific Engineering Drawing: Detail of Column Reinforcement, Bridge 18 - Austin Gulch, west of Skyline, Montana, Line Segment 042, Milepost 18.9. Sheet 1067 - 9, undated.

Northern Pacific Engineering Drawing: Detail of Column Reinforcement, Bridge 18 - Austin Gulch, west of Skyline, Montana, Line Segment 042, Milepost 18.9. Sheet 1067 - 9, undated.

Northern Pacific Engineering Drawing: Detail of Column Reinforcement, Bridge 18 - Austin Gulch, west of Skyline, Montana, Line Segment 042, Milepost 18.9. Sheet 1067 - 9, undated.

Northern Pacific Engineering Drawing: Detail of Column Reinforcement, Bridge 18 - Austin Gulch, west of Skyline, Montana, Line Segment 042, Milepost 18.9. Sheet 1067 - 9, undated.

Northern Pacific Engineering Drawing: Detail of Column Reinforcement, Bridge 18 - Austin Gulch, west of Skyline, Montana, Line Segment 042, Milepost 18.9. Sheet 1067 - 9, undated.

Northern Pacific Engineering Drawing: Detail of Column Reinforcement, Bridge 18 - Austin Gulch, west of Skyline, Montana, Line Segment 042, Milepost 18.9. Sheet 1067 - 9, undated.