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
- 2291 more...
- ItemBB030525 - Spokane, Portland and Seattle Railway Engineering Drawing: Bank Block, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030526 - Spokane, Portland and Seattle Railway Engineering Drawing: Plan - Cast Iron Bases, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030527 - Spokane, Portland and Seattle Railway Engineering Drawing: Cast Iron Shims - Girders and Abutment, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030528 - Spokane, Portland and Seattle Railway Engineering Drawing: Plate Trainmen's Walk, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030529 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 304.4 - Cow Creek, North of Hooper, Washington, 1949
- ItemBB030530 - Spokane, Portland and Seattle Railway Engineering Drawing: Sketch - Ties - Timbers, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030531 - Spokane, Portland and Seattle Railway Engineering Drawing: Stress Sheet, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030532 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - General Plan, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030533 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bents, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- 1618 more...