Northern Pacific Engineering Drawing: 75 Foot Through Plate Girder Span, Bridge 91 - Hell Gate River, West of Nimrod, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB016956
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Design for Falsework, Bridge 90 - Hell Gate River, West of Nimrod, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB016942
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Detail Floor Beam/Stringer, Bridge 91 - Hell Gate River, West of Nimrod, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB017090
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Detail of Main Girder, Bridge 91 - Hell Gate River, West of Nimrod, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB017088
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Detail of Main Girder, Bridge 91 - Hell Gate River, West of Nimrod, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB017089
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Erection Plan/Details, Bridge 91 - Hell Gate River, West of Nimrod, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB016962
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Falsework Details, Bridge 91 - Hell Gate River, West of Nimrod, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB016967
• Item
• undated

Part of Timothy Miller Collection