Northern Pacific Engineering Drawing: Description of Operation, Bridge 1 - Columbia River, West of Pasco, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB025631
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Electrical Detail/Devices, Bridge 1 - Columbia River, West of Pasco, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB025630
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Element Wiring Diagram Power Circuit, Bridge 1 - Columbia River, West of Pasco, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB025628
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Element Wiring Diagram Signal/Control, Bridge 1 - Columbia River, West of Pasco, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB025629
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Elevation, Bridge 1 - Columbia River, West of Pasco, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB016824
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: End Post/Top Chord, Bridge 1 - Columbia River, West of Pasco, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB016803
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Existing Anchor and Bolt Layout, Bridge 1 - Columbia River, West of Pasco, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB034143
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Existing Condition Details, Bridge 1 - Columbia River, West of Pasco, Washington, undated

• US WaBuPNRA D0027-004-009-008-001-BB034144
• Item
• undated

Part of Timothy Miller Collection