Northern Pacific Engineering Drawing: High Water Cross Section, Bridge 87 (139) - Hell Gate River, West of Bearmouth, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB017016
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Masonry Design, Bridge 83 - Harvey Creek, West of Bearmouth, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB029243
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Present Position of River, Bridge 87 (139) - Hell Gate River, West of Bearmouth, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB017015
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Shop Plan - Beds/Lateral, Bridge 87 (139) - Hell Gate River, West of Bearmouth, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB017152
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Shop Plan - Beds/Lateral, Bridge 87 (139) - Hell Gate River, West of Bearmouth, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB017013
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Shop Plan - Detail Floor Beam, Bridge 87 (139) - Hell Gate River, West of Bearmouth, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB017012
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Shop Plan - E and F Stringers, Bridge 87 (139) - Hell Gate River, West of Bearmouth, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB017011
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Shop Plan - Floor Beam, Bridge 87 (139) - Hell Gate River, West of Bearmouth, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB017151
• Item
• undated

Part of Timothy Miller Collection