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
- 4275 more...
- ItemBB018909 - Northern Pacific Engineering Drawing: Foot Subway, Foot Underpass, Centralia, Washington, undated
- ItemBB018910 - Northern Pacific Engineering Drawing: Foot Subway, Foot Underpass, Centralia, Washington, undated
- ItemBB018911 - Northern Pacific Engineering Drawing: Proposed Draw Span, Bridge 3.2 (72.2) - Hoquiam River, Hoquiam, Washington, 1913
- ItemBB018912 - Northern Pacific Engineering Drawing: Detail of Pier 1, Bridge 3.2 (72.2) - Hoquiam River, Hoquiam, Washington, undated
- ItemBB018913 - Northern Pacific Engineering Drawing: Detail Protection Pier 3, Bridge 3.2 (72.2) - Hoquiam River, Hoquiam, Washington, undated
- ItemBB018914 - Northern Pacific Engineering Drawing: Detail of Pier 2/3/4, Bridge 3.2 (72.2) - Hoquiam River, Hoquiam, Washington, undated
- ItemBB018915 - Northern Pacific Engineering Drawing: Sidewalk Hoquiam Crossing, Bridge 3.2 (72.2) - Hoquiam River, Hoquiam, Washington, undated
- ItemBB018916 - Northern Pacific Engineering Drawing: Material for Rail Lock, Bridge 3.2 (72.2) - Hoquiam River, Hoquiam, Washington, undated
- ItemBB018917 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 3.2 (72.2) - Hoquiam River, Hoquiam, Washington, 1949
- 3444 more...