Northern Pacific Engineering Drawing: Tunnel Sections, Garrison Tunnel, West of Garrison, Montana, undated

• US WaBuPNRA D0027-004-009-008-008-BB015330
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Tie Plan, Bridge 51 - Hell Gate River, West of Garrison, Montana, 1952

• US WaBuPNRA D0027-004-009-008-001-BB018298
• Item
• 1952

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Tie Plan, Bridge 51 - Hell Gate River, West of Garrison, Montana, 1952

• US WaBuPNRA D0027-004-009-008-001-BB018296
• Item
• 1952

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Tie Plan, Bridge 51 - Hell Gate River, West of Garrison, Montana, 1952

• US WaBuPNRA D0027-004-009-008-001-BB018297
• Item
• 1952

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Tie Detail/Bill of Material, Bridge 51 - Hell Gate River, West of Garrison, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB018295
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Standard Plan 20 Foot Beam Girder, Bridge 53, West of Garrison, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB019774
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Sketch of New Lining, Garrison Tunnel, West of Garrison, Montana, undated

• US WaBuPNRA D0027-004-009-008-008-BB015333
• Item
• undated

Part of Timothy Miller Collection