Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 200 more...
- ItemBB021149 - Great Northern Engineering Drawing: General Plan, Bridge 230, South of Sandpoint, Idaho, 1941
- ItemBB021150 - Great Northern Engineering Drawing: Masonry Plan, Bridge 230, South of Sandpoint, Idaho, undated
- ItemBB021151 - Great Northern Engineering Drawing: Shims, Bridge 230, South of Sandpoint, Idaho, undated
- ItemBB021152 - Great Northern Engineering Drawing: Deck Plan, Bridge 230, South of Sandpoint, Idaho, 1955
- ItemBB021169 - Great Northern Engineering Drawing: General Plan, Bridge 1191, East of Belton, Montana, 1946
- ItemBB021170 - Great Northern Engineering Drawing: Steel Details - 12 Foot Span, Bridge 1191, East of Belton, Montana, undated
- ItemBB021171 - Great Northern Engineering Drawing: Timber Flume, Bridge 1191, East of Belton, Montana, undated
- ItemBB021172 - Great Northern Engineering Drawing: Deck Plan, Bridge 1191, East of Belton, Montana, 1970
- ItemBB021173 - Great Northern Engineering Drawing: Replace Superstructure, Bridge 1191, East of Belton, Montana, undated
- 3792 more...