Northern Pacific Engineering Drawing: Detail Additional Material, Bridge 24 - Little Blackfoot River, West of Blossburg, Montana, 1909

• US WaBuPNRA D0027-004-009-008-001-BB027907
• Item
• 1909

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Detail of Forms, Mullan Tunnel, Blossburg, Montana, undated

• US WaBuPNRA D0027-004-009-008-008-BB017819
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Engine Houses, Mullan Tunnel, Blossburg, Montana, undated

• US WaBuPNRA D0027-004-009-008-008-BB025478
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: General Plan, Mullan Tunnel, Blossburg, Montana, undated

• US WaBuPNRA D0027-004-009-008-008-BB019956
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: General Plan, Mullan Tunnel, Blossburg, Montana, undated

• US WaBuPNRA D0027-004-009-008-008-BB017508
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Lateral Bracing, Bridge 24 - Little Blackfoot River, West of Blossburg, Montana, undated

• US WaBuPNRA D0027-004-009-008-001-BB027906
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Machinery Foundations, Mullan Tunnel, Blossburg, Montana, undated

• US WaBuPNRA D0027-004-009-008-008-BB025481
• Item
• undated

Part of Timothy Miller Collection