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 3001 - Bridges
- 6180 more...
- ItemBB027923 - Northern Pacific Engineering Drawing: General Plan/Miscellaneous Detail, Bridge 68 - Wishkah River, West of Aberdeen Junction, Washington, undated
- ItemBB027924 - Northern Pacific Engineering Drawing: Rail Lock Details, Bridge 68 - Wishkah River, West of Aberdeen Junction, Washington, undated
- ItemBB027925 - Northern Pacific Engineering Drawing: End Lift Arrangement, Bridge 68 - Wishkah River, West of Aberdeen Junction, Washington, undated
- ItemBB027926 - Northern Pacific Engineering Drawing: Draw Span Machinery, Bridge 68 - Wishkah River, West of Aberdeen Junction, Washington, undated
- ItemBB027927 - Northern Pacific Engineering Drawing: Turning Gears, Bridge 68 - Wishkah River, West of Aberdeen Junction, Washington, undated
- ItemBB027928 - Northern Pacific Engineering Drawing: Equalizing Girder/Shafting, Bridge 68 - Wishkah River, West of Aberdeen Junction, Washington, undated
- ItemBB027929 - Northern Pacific Engineering Drawing: Clutch Gasoline Engine Pin, Bridge 68 - Wishkah River, West of Aberdeen Junction, Washington, undated
- ItemBB027930 - Northern Pacific Engineering Drawing: Detail of Operating Mechanism, Bridge 68 - Wishkah River, West of Aberdeen Junction, Washington, undated
- ItemBB027931 - Northern Pacific Engineering Drawing: Equal/Revision Shaft, Bridge 68 - Wishkah River, West of Aberdeen Junction, Washington, undated
- 1539 more...