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
- 2333 more...
- ItemBB030567 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diagonal/Strut, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030568 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diagonal/Strut, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030569 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030570 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030571 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030572 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030573 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Anchor Bolts, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030574 - Spokane, Portland and Seattle Railway Engineering Drawing: Abutment Plans, Bridge 312.1 - Highway 14, North of Benge, Washington, undated
- ItemBB030575 - Spokane, Portland and Seattle Railway Engineering Drawing: Overhead Crossing, Bridge 312.1 - Highway 14, North of Benge, Washington, 1930
- 1576 more...