Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series001 - Burlington Northern Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3005 - Signals
- ItemBB029646 - Burlington Northern Engineering Drawing: Steel Details, Signal Bridges - New Westminster to Willingdon Junction (formerly Great Northern), North of New Westminster, British Columbia, 1977
- ItemBB029647 - Burlington Northern Engineering Drawing: Steel Design, Signal Bridges - New Westminster to Willingdon Junction (formerly Great Northern), North of New Westminster, British Columbia, 1977
- ItemBB029648 - Burlington Northern Engineering Drawing: Steel Details, Signal Bridges - New Westminster to Willingdon Junction (formerly Great Northern), North of New Westminster, British Columbia, 1977
- ItemBB029649 - Burlington Northern Engineering Drawing: Steel Details, Signal Bridges - New Westminster to Willingdon Junction (formerly Great Northern), North of New Westminster, British Columbia, 1977
- ItemBB029652 - Burlington Northern Engineering Drawing: General Plan, Signal Bridges - New Westminster to Willingdon Junction (formerly Great Northern), North of New Westminster, British Columbia, 1977
- ItemBB029653 - Burlington Northern Engineering Drawing: Steel Details, Signal Bridges - New Westminster to Willingdon Junction (formerly Great Northern), North of New Westminster, British Columbia, 1977
- ItemBB029746 - Burlington Northern Engineering Drawing: Steel Details, Signal Bridge, Bonners Ferry, Idaho, 1968
- ItemBB029747 - Burlington Northern Engineering Drawing: Shop Plan - Pipe Roller, Signal Bridge, Bonners Ferry, Idaho, undated
- 7 more...