Railroad Archives Online
- ArquivoD0027 - Timothy Miller Collection
- Série001 - Burlington Northern Railroad Company
- Subsérie009 - Engineering Records
- 008 - Physical plant drawing
- 001 - Bridges
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- ItemBB015713 - Burlington Northern Engineering Drawing: Tie Details, Bridge 134 (169) (formerly Northern Pacific), West of Chestnut, Montana, 1983
- ItemBB015721 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 58 - Palouse River (formerly Northern Pacific), West of Perma, Washington, 1979
- ItemBB015839 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 25 - North Fork of the Clearwater River (formerly Camas Prairie), East of Ahsahka, Idaho, 1977
- ItemBB015858 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 43 - 6th Street Tenino (formerly Northern Pacific), Tenino, Washington, 1979
- ItemBB015859 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 43 - 6th Street Tenino (formerly Northern Pacific), Tenino, Washington, 1978
- ItemBB015900 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 0.59 - Cowlitz River (formerly Northern Pacific), Longview Junction, Washington, 1976
- ItemBB015901 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 0.59 - Cowlitz River (formerly Northern Pacific), Longview Junction, Washington, 1972
- ItemBB016054 - Burlington Northern Engineering Drawing: Tie Plan, Bridge 100 (133) - Coweman River (formerly Northern Pacific), South of Kelso, Washington, 1970
- ItemBB016065 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 59 - Newaukum River (formerly Northern Pacific), South of Chehalis Junction, Washington, 1980
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