Northern Pacific Engineering Drawing: 30 Foot Deck Plate Girder (DPG) /44, Bridge 3 - 10 - Mile Creek, West of Helena, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB017445
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Bill of Material, Bridge 1 - State Boulevard, Helena, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB017746
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Details - Extension - Masonry, Bridge 3 - 10 - Mile Creek, West of Helena, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB017442
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Girder Plan Details - Slab, Bridge 3 - 10 - Mile Creek, West of Helena, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB017440
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Shop Plan - Steel Spans, Bridge 1 - State Boulevard, Helena, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB017747
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Steel Bents, Bridge 1 - State Boulevard, Helena, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB017745
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Steel Bracing 30 Foot Deck Plate Girder (DPG), Bridge 3 - 10 - Mile Creek, West of Helena, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB017444
• Item
• undated

Part of Timothy Miller Collection