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: Boring Plan, Bridge 9.46 - I-90, South of Wilburton, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB018312
• Item
• undated

Part of Timothy Miller Collection

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: Construction Sequence 1, Bridge 11.1 - Mercer Slough, South of Wilburton, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB017788
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Construction Sequence 1, Bridge 11.1 - Mercer Slough, South of Wilburton, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB017798
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Construction Sequence 2, Bridge 11.1 - Mercer Slough, South of Wilburton, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB017789
• Item
• undated

Part of Timothy Miller Collection

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

• US WaBuPNRA D0027-004-009-008-001-BB020466
• Item
• undated

Part of Timothy Miller Collection

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

• US WaBuPNRA D0027-004-009-008-001-BB020467
• Item
• undated

Part of Timothy Miller Collection

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

• US WaBuPNRA D0027-004-009-008-001-BB020469
• Item
• undated

Part of Timothy Miller Collection