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
- 4921 more...
- ItemBB019820 - Northern Pacific Engineering Drawing: Shop Plan - Portal/Brace, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- ItemBB019821 - Northern Pacific Engineering Drawing: Shop Plan - Top Lateral, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- ItemBB019822 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Lateral, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- ItemBB019823 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Lateral, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- ItemBB019824 - Northern Pacific Engineering Drawing: Method of Straightening Damaged Verticals, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- ItemBB019825 - Northern Pacific Engineering Drawing: Proposed Method of Supporting Chords, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- ItemBB019826 - Northern Pacific Engineering Drawing: Temporary Brace for Bent, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- ItemBB019827 - Northern Pacific Engineering Drawing: Detail Stringer Bent Posts, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- ItemBB019828 - Northern Pacific Engineering Drawing: Detail Stringer Bent Posts, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- 2798 more...