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 3003 - Maintenance Facilities
- 547 more...
- ItemBB033258 - Burlington Northern Engineering Drawing: Shop Plans - Collector Rings/Insulation, Turntable, undated
- ItemBB033259 - Burlington Northern Engineering Drawing: Shop Plans - Contact, Turntable, undated
- ItemBB033260 - Burlington Northern Engineering Drawing: Shop Plan - Collar Ring, Turntable, undated
- ItemBB033261 - Burlington Northern Engineering Drawing: Shop Plan - Cross Arm, Turntable, undated
- ItemBB033262 - Burlington Northern Engineering Drawing: Shop Plans - Oil Pan, Turntable, undated
- ItemBB036046 - Burlington Northern Engineering Drawing: Renew Circle Rail, Turntable (formerly Great Northern), Great Falls, Montana, 1972