Great Northern Engineering Drawing: Shop Plan - Structural Steel, Bridge 428, West of Grotto, Washington, 1941

• US WaBuPNRA D0027-003-009-008-001-BB021485
• Item
• 1941

Part of Timothy Miller Collection

Great Northern Engineering Drawing: Masonry Plan, Bridge 428, West of Grotto, Washington, 1941

• US WaBuPNRA D0027-003-009-008-001-BB021484
• Item
• 1941

Part of Timothy Miller Collection

Great Northern Engineering Drawing: Deck Plan, Bridge 428, West of Grotto, Washington, 1954

• US WaBuPNRA D0027-003-009-008-001-BB021486
• Item
• 1954

Part of Timothy Miller Collection

Burlington Northern Engineering Drawing: Deck Plan, Bridge 428 (formerly Great Northern), West of Grotto, Washington, 1985

• US WaBuPNRA D0027-001-009-008-001-BB021487
• Item
• 1985

Part of Timothy Miller Collection