Spokane, Portland and Seattle Railway Engineering Drawing: Bill of Material, Bridge 29.5 Public Oh, West of Saint Helens, Oregon, undated

• US WaBuPNRA D0027-007-009-008-001-BB033008
• Item
• undated

Part of Timothy Miller Collection

Spokane, Portland and Seattle Railway Engineering Drawing: Box Girders, Bridge E26.2 - Beaverton Creek, West of Saint Helens, Oregon, undated

• US WaBuPNRA D0027-007-009-008-001-BB034026
• Item
• undated

Part of Timothy Miller Collection

Spokane, Portland and Seattle Railway Engineering Drawing: Cap Frame Detail, Bridge 29.5 Public Oh, West of Saint Helens, Oregon, undated

• US WaBuPNRA D0027-007-009-008-001-BB033007
• Item
• undated

Part of Timothy Miller Collection

Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Steel, Bridge A26.5 (164?) - (No Suggestions) Creek, West of Saint Helens, Oregon, undated

• US WaBuPNRA D0027-007-009-008-001-BB032986
• Item
• undated

Part of Timothy Miller Collection

Spokane, Portland and Seattle Railway Engineering Drawing: End Bearings, Bridge A27.4 (159) - Milton Creek, Saint Helens, Oregon, undated

• US WaBuPNRA D0027-007-009-008-001-BB032992
• Item
• undated

Part of Timothy Miller Collection

Spokane, Portland and Seattle Railway Engineering Drawing: Exterior Box Girder, Bridge E26.2 - Beaverton Creek, West of Saint Helens, Oregon, undated

• US WaBuPNRA D0027-007-009-008-001-BB034032
• Item
• undated

Part of Timothy Miller Collection

Spokane, Portland and Seattle Railway Engineering Drawing: Framing Detail, Bridge 29.5 Public Oh, West of Saint Helens, Oregon, undated

• US WaBuPNRA D0027-007-009-008-001-BB033006
• Item
• undated

Part of Timothy Miller Collection