Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 743 more...
- ItemBB015014 - Northern Pacific Engineering Drawing: Abutment/Log Bore, Bridge 73 - Clark Fork River, West of Noxon, Montana, undated
- ItemBB015015 - Northern Pacific Engineering Drawing: Bar List/Miscellaneous Detail, Bridge 73 - Clark Fork River, West of Noxon, Montana, undated
- ItemBB015016 - Northern Pacific Engineering Drawing: Bar Type/Hook, etc., Bridge 73 - Clark Fork River, West of Noxon, Montana, undated
- ItemBB015017 - Northern Pacific Engineering Drawing: Deck Details, Bridge 73 - Clark Fork River, West of Noxon, Montana, 1955
- ItemBB015018 - Northern Pacific Engineering Drawing: Miscellaneous Deck Details, Bridge 73 - Clark Fork River, West of Noxon, Montana, undated
- ItemBB015019 - Northern Pacific Engineering Drawing: Timber Details/Beam/Material, Bridge 73 - Clark Fork River, West of Noxon, Montana, 1955
- ItemBB015020 - Northern Pacific Engineering Drawing: Abutment 9, Bridge 73 - Clark Fork River, West of Noxon, Montana, undated
- ItemBB015021 - Northern Pacific Engineering Drawing: Abutment 1, Bridge 73 - Clark Fork River, West of Noxon, Montana, undated
- ItemBB015022 - Northern Pacific Engineering Drawing: Pile Penetration Data, Bridge 73 - Clark Fork River, West of Noxon, Montana, undated
- 6976 more...