Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 51 - Highway, west of Childs, Montana, Line Segment 044, Milepost 52.0. Sheet 1060 - 45, undated.

Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 51 - Highway, west of Childs, Montana, Line Segment 044, Milepost 52.0. Sheet 1060 - 45, undated.

Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 51 - Highway, west of Childs, Montana, Line Segment 044, Milepost 52.0. Sheet 1060 - 45, undated.

Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 51 - Highway, west of Childs, Montana, Line Segment 044, Milepost 52.0. Sheet 1060 - 45, undated.

Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 51 - Highway, west of Childs, Montana, Line Segment 044, Milepost 52.0. Sheet 1060 - 45, undated.

Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 32 - Union Pacific Railroad, Athol, Idaho, Line Segment 045, Milepost 32.54. Sheet 447 - 30, undated.

Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 32 - Union Pacific Railroad, Athol, Idaho, Line Segment 045, Milepost 32.54. Sheet 447 - 30, undated.

Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 3.1 - Union Pacific Railroad. & Highway, west of Empire, Washington, Line Segment 046, Milepost 3.48. Sheet 1064 - 22, undated.

Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 3.1 - Union Pacific Railroad. & Highway, west of Empire, Washington, Line Segment 046, Milepost 3.48. Sheet 1064 - 22, undated.

Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 3.1 - Union Pacific Railroad. & Highway, west of Empire, Washington, Line Segment 046, Milepost 3.48. Sheet 1064 - 22, undated.