Northern Pacific Engineering Drawing: Alter Abutment, Bridge 94.2, west of Colby, Montana, Line Segment 044, Milepost 94.8. Sheet 441 - 51, 1928. Note: Alteration to abutment
Northern Pacific Engineering Drawing: Alter Abutment, Bridge 94.2, west of Colby, Montana, Line Segment 044, Milepost 94.8. Sheet 441 - 51, 1928. Note: Alteration to abutment
Northern Pacific Engineering Drawing: Bearings 100 Foot Deck Plate Girder (DPG), Bridge 92 - Clark Fork River, west of Colby, Montana, Line Segment 044, Milepost 92.7. Sheet 2023 - 2, undated.
Northern Pacific Engineering Drawing: Bearings 75 Foot Deck Plate Girder (DPG), Bridge 92 - Clark Fork River, west of Colby, Montana, Line Segment 044, Milepost 92.7. Sheet 2023 - 2, undated.
Northern Pacific Engineering Drawing: Concrete Arch Close J, Arch, Near Colby, Montana, Line Segment 044, Milepost 89.23. Sheet 2004 - 21, undated.
Northern Pacific Engineering Drawing: Deck Details, Bridge 92 - Clark Fork River, west of Colby, Montana, Line Segment 044, Milepost 92.7. Sheet 2023 - 2, 1955.
Northern Pacific Engineering Drawing: Deck Plan, Bridge 92 - Clark Fork River, west of Colby, Montana, Line Segment 044, Milepost 92.7. Sheet 2023 - 2, undated.
Northern Pacific Engineering Drawing: Deck Plan, Bridge 96 (313), west of Colby, Montana, Line Segment 044, Milepost 96.95. Sheet 442 - 76, undated.
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.
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: Inspection Walks Planking Detail, Bridge 92 - Clark Fork River, west of Colby, Montana, Line Segment 044, Milepost 92.7. Sheet 2023 - 2, undated.