Railroad Archives Online
- ФондыD0288 - Terence Wahl Collection
- 003 - Great Northern Railway Company (U.S.)
- 014 - Photographs
- 003 - Railroads--Buildings and Structures
- 001 - Bridges
- TRWahl0072 - Great Northern Bridge , Bellingham, Washington, undated
- TRWahl0086 - Great Northern Bridge 59, Bellingham, Washington, undated
- TRWahl0087 - Great Northern Bridge 59, Bellingham, Washington, undated
- TRWahl0088 - Great Northern Bridge 59, Bellingham, Washington, undated
- TRWahl0089 - Great Northern Bridge 59, Bellingham, Washington, undated
- 21 more...