Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 2305 more...
- ItemBB030539 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - General Plan, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030540 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - General Plan, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030541 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - General Plan, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030542 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - General Plan, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030543 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Tower, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030544 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Columns, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030545 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Columns, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030546 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Columns, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030547 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Columns, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- 1604 more...