Railroad Archives Online
- FondsD0027 - Timothy Miller Collection
- Serie004 - Northern Pacific Railroad Company
- Teilserie009 - Engineering Records
- 008 - Physical plant drawing
- 001 - Bridges
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- ObjektBB028241 - Northern Pacific Engineering Drawing: Bottom Chord, Bridge 29.1 - Puyallup River, Puyallup, Washington, undated
- ObjektBB028242 - Northern Pacific Engineering Drawing: Diagonals/Posts, Bridge 29.1 - Puyallup River, Puyallup, Washington, undated
- ObjektBB028243 - Northern Pacific Engineering Drawing: Steel Repairs, Bridge 29.1 - Puyallup River, Puyallup, Washington, undated
- ObjektBB028244 - Northern Pacific Engineering Drawing: Replace Gusset Plate/Angle, Bridge 29.1 - Puyallup River, Puyallup, Washington, undated
- ObjektBB028245 - Northern Pacific Engineering Drawing: Replace Gusset Plate/Angle, Bridge 29.1 - Puyallup River, Puyallup, Washington, undated
- ObjektBB028246 - Northern Pacific Engineering Drawing: General Plan/Abutment, Bridge 24 - Stuck River, South of Auburn, Washington, undated
- ObjektBB028247 - Northern Pacific Engineering Drawing: Detail of Abutments, Bridge 24 - Stuck River, South of Auburn, Washington, undated
- ObjektBB028249 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 24 - Stuck River, South of Auburn, Washington, 1937
- ObjektBB028250 - Northern Pacific Engineering Drawing: Tie Framing Plan, Bridge 24 - Stuck River, South of Auburn, Washington, undated
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