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
Great Northern Engineering Drawing: Pier Details, Bridge 621, south of Box Elder, Montana, Line Segment 353, Milepost 21.3. Sheet 272 - 4573 - 8, undated.