Northern Pacific Engineering Drawing: Shop Plan - Cross Frame/Bolt, Bridge 92 - Clark Fork River, west of Colby, Montana, Line Segment 044, Milepost 92.7. Sheet 2023 - 2A, undated.
Northern Pacific Engineering Drawing: Shop Plan - Cross Frame/Bolt, Bridge 92 - Clark Fork River, west of Colby, Montana, Line Segment 044, Milepost 92.7. Sheet 2023 - 2A, undated.
Northern Pacific Engineering Drawing: Reinforce Concrete Trestle, Bridge 94, west of Colby, Montana, Line Segment 044. Sheet 1057 - 3, 1917. Note: Concrete trestle
Northern Pacific Engineering Drawing: Piers 6/7/8/9/10, Bridge 92 - Clark Fork River, west of Colby, Montana, Line Segment 044, Milepost 92.7. Sheet 2023 - 2, undated.
Northern Pacific Engineering Drawing: Piers 2/3, Bridge 92 - Clark Fork River, west of Colby, Montana, Line Segment 044, Milepost 92.7. Sheet 2023 - 2, undated.
Northern Pacific Engineering Drawing: Pier 12, Bridge 92 - Clark Fork River, west of Colby, Montana, Line Segment 044, Milepost 92.7. Sheet 2023 - 2, undated.
Northern Pacific Engineering Drawing: Pier 11/Revision Tie, Bridge 92 - Clark Fork River, west of Colby, Montana, Line Segment 044, Milepost 92.7. Sheet 2023 - 2, undated.
Northern Pacific Engineering Drawing: Inspection Walks, Bridge 92 - Clark Fork River, west of Colby, Montana, Line Segment 044, Milepost 92.7. Sheet 2023 - 2, undated.
Northern Pacific Engineering Drawing: Inspection Walks Planking Detail, Bridge 92 - Clark Fork River, west of Colby, Montana, Line Segment 044, Milepost 92.7. Sheet 2023 - 2, undated.
Northern Pacific Engineering Drawing: General Plan/Pier/Abutment, Bridge 96 (313), west of Colby, Montana, Line Segment 044, Milepost 96.95. Sheet 442 - 76, 1904. Note: Steel spans
Northern Pacific Engineering Drawing: General Plan, Bridge 92 - Clark Fork River, west of Colby, Montana, Line Segment 044, Milepost 92.7. Sheet 2023 - 2, 1899.