Northern Pacific Engineering Drawing: General Plan Concrete Box, Culvert, Near Ketron, Washington, undated

• US WaBuPNRA D0027-004-009-008-007-BB015400
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Detail Reinforce Concrete Box, Culvert, Near Ketron, Washington, undated

• US WaBuPNRA D0027-004-009-008-007-BB015401
• Item
• undated

Part of Timothy Miller Collection

Northern Pacific Engineering Drawing: Concrete Box, Culvert, Near Martins Bluff, Washington, undated

• US WaBuPNRA D0027-004-009-008-007-BB028885
• Item
• undated

Part of Timothy Miller Collection