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
- 11 more...
- ItemBB020931 - Great Northern Engineering Drawing: Latch Device Drawspan, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB020932 - Great Northern Engineering Drawing: Latch Device Drawspan, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB020933 - Great Northern Engineering Drawing: Latch Device Drawspan, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB020934 - Great Northern Engineering Drawing: Rotation Indicator, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB020935 - Great Northern Engineering Drawing: Interlock Machinery Platform, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB020936 - Great Northern Engineering Drawing: Easer Bar Base Plate, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB020937 - Great Northern Engineering Drawing: Easer Bars, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB020938 - Great Northern Engineering Drawing: Easer Bars, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB020939 - Great Northern Engineering Drawing: General Plan - Easer Bars, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- 3981 more...