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 3003 - Maintenance Facilities
- 1159 more...
- ItemBB031158 - Northern Pacific Engineering Drawing: Shop Plan - MM Diagram, 135 Foot Turntable, undated
- ItemBB031159 - Northern Pacific Engineering Drawing: List - Drawing Number, 135 Foot Turntable, undated
- ItemBB031160 - Northern Pacific Engineering Drawing: Shop Plan - Bolts, 135 Foot Turntable, undated
- ItemBB031161 - Northern Pacific Engineering Drawing: Shop Plan - Erection Diagram, 135 Foot Turntable, undated
- ItemBB031162 - Northern Pacific Engineering Drawing: Reinforcing Turntable, 135 Foot Turntable, undated
- ItemBB031163 - Northern Pacific Engineering Drawing: Shop Plan - Tie Plan, 135 Foot Turntable, undated
- ItemBB031164 - Northern Pacific Engineering Drawing: Shop Plan - Girders, 135 Foot Turntable, undated
- ItemBB031165 - Northern Pacific Engineering Drawing: Shop Plan - Cross Girders, 135 Foot Turntable, undated
- ItemBB031166 - Northern Pacific Engineering Drawing: Shop Plan - Cross Frames, 135 Foot Turntable, undated
- 143 more...