Northern Pacific Engineering Drawing: Erection Diagram, Bridge 18 - Austin Gulch, West of Skyline, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB015551
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Erection Diagram Deck Slab, Bridge 18 - Austin Gulch, West of Skyline, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB015569
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Detail of Transverse Brace, Bridge 18 - Austin Gulch, West of Skyline, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB015568
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Detail of Transverse Brace, Bridge 18 - Austin Gulch, West of Skyline, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB015566
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Detail of Tower Girders, Bridge 18 - Austin Gulch, West of Skyline, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB015548
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Detail of Tower Girders, Bridge 18 - Austin Gulch, West of Skyline, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB015549
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Detail of Longitudinal Brace, Bridge 18 - Austin Gulch, West of Skyline, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB015565
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Detail of Girders, Bridge 18 - Austin Gulch, West of Skyline, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB015547
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Detail of Girders, Bridge 18 - Austin Gulch, West of Skyline, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB015546
• Item
• undated

Part of Timothy Miller Collection