Northern Pacific Engineering Drawing: Boring Plan, Bridge 9.46 - I-90, South of Wilburton, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB018313
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Bill of Material, Bridge 11.1 - Mercer Slough, South of Wilburton, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB017781
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Bearings II, Bridge 9.46 - I-90, South of Wilburton, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB018332
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Bearings II, Bridge 9.46 - I-90, South of Wilburton, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB020491
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Bearings I, Bridge 9.46 - I-90, South of Wilburton, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB018331
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Bearings I, Bridge 9.46 - I-90, South of Wilburton, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB020490
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Bearing Details, Bridge 11.72 - Lake Hills Boulevard, South of Wilburton, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB021546
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Bearing Details, Bridge 11.1 - Mercer Slough, South of Wilburton, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB017793
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Bar List, Bridge 11.72 - Lake Hills Boulevard, South of Wilburton, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB021552
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Bar List, Bridge 11.72 - Lake Hills Boulevard, South of Wilburton, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB021553
• Item
• undated

Part of Timothy Miller Collection