Northern Pacific Engineering Drawing: General Layout, Bozeman Tunnel, Muir, Montana, undated

• US WaBuPNRA D0027-004-009-008-008-BB017616
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Hand Hoist - Door Operator, Bozeman Tunnel, Muir, Montana, undated

• US WaBuPNRA D0027-004-009-008-008-BB017637
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Interior View, Bozeman Tunnel, Muir, Montana, undated

• US WaBuPNRA D0027-004-009-008-008-BB017638
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: North Wall Sketch, Bozeman Tunnel, Muir, Montana, undated

• US WaBuPNRA D0027-004-009-008-008-BB017643
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Pick Up Assembly, Bozeman Tunnel, Muir, Montana, undated

• US WaBuPNRA D0027-004-009-008-008-BB017640
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Reinforce House Door, Bozeman Tunnel, Muir, Montana, undated

• US WaBuPNRA D0027-004-009-008-008-BB017635
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Reinforcement Section, Bozeman Tunnel, Muir, Montana, 1944

• US WaBuPNRA D0027-004-009-008-008-BB017644
• Item
• 1944

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Safety Ladder, Bozeman Tunnel, Muir, Montana, undated

• US WaBuPNRA D0027-004-009-008-008-BB017639
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Sheave Housing, Bozeman Tunnel, Muir, Montana, undated

• US WaBuPNRA D0027-004-009-008-008-BB017630
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Shop Plan - Bent Detail, Bozeman Tunnel, Muir, Montana, undated

• US WaBuPNRA D0027-004-009-008-008-BB017628
• Item
• undated

Part of Timothy Miller Collection