Great Northern Engineering Drawing: Abutment Details, Bridge 621, South of Box Elder, Montana, undated

• US WaBuPNRA D0027-003-009-008-001-BB024475
• Item
• undated

Part of Timothy Miller Collection

Great Northern Engineering Drawing: General Plan, Bridge 621, South of Box Elder, Montana, 1955

• US WaBuPNRA D0027-003-009-008-001-BB024473
• Item
• 1955

Part of Timothy Miller Collection

Great Northern Engineering Drawing: Pier Details, Bridge 621, South of Box Elder, Montana, undated

• US WaBuPNRA D0027-003-009-008-001-BB024474
• Item
• undated

Part of Timothy Miller Collection