Railroad Archives Online
- FondsD0027 - Timothy Miller Collection
- Série001 - Burlington Northern Railroad Company
- Sous-série009 - Engineering Records
- 008 - Physical plant drawing
- 007 - Track
- 110 en plus...
- PièceBB033347 - Burlington Northern Engineering Drawing: Water Tunnel, Culverts, undated
- PièceBB033348 - Burlington Northern Engineering Drawing: Layout - 132 Inch Multiple Plates, Culverts, undated
- PièceBB033349 - Burlington Northern Engineering Drawing: Underpass, Culverts, undated
- PièceBB033350 - Burlington Northern Engineering Drawing: Plan - Renewal - Flume, Culverts, undated
- PièceBB033351 - Burlington Northern Engineering Drawing: Corridor Multiple Plates, Culverts, undated
- PièceBB033352 - Burlington Northern Engineering Drawing: Siphon - Irrigation Ditch, Culverts, undated
- PièceBB033353 - Burlington Northern Engineering Drawing: Detail Plan Concrete Culvert, Culverts, undated
- PièceBB033354 - Burlington Northern Engineering Drawing: Cross Sec and General Plan, Culverts, undated
- PièceBB033355 - Burlington Northern Engineering Drawing: 108 Inch Multi Plate Pipe, Culverts, undated
- 42 en plus...