Railroad Archives Online
- FondoD0027 - Timothy Miller Collection
- Serie004 - Northern Pacific Railroad Company
- Sottoserie009 - Engineering Records
- 008 - Physical plant drawing
- 001 - Bridges
- 4990 in più...
- Unità documentariaBB019890 - Northern Pacific Engineering Drawing: Shop Plan - Under Cross, Bridge 9 - Highway, South of Marshall, Washington, undated
- Unità documentariaBB019891 - Northern Pacific Engineering Drawing: Shop Plan - Under Cross, Bridge 9 - Highway, South of Marshall, Washington, undated
- Unità documentariaBB019892 - Northern Pacific Engineering Drawing: Shop Plan - Under Cross, Bridge 9 - Highway, South of Marshall, Washington, undated
- Unità documentariaBB019893 - Northern Pacific Engineering Drawing: Shop Plan - Under Cross, Bridge 9 - Highway, South of Marshall, Washington, undated
- Unità documentariaBB019894 - Northern Pacific Engineering Drawing: Shop Plan - Under Crossing, Bridge 119 - Harris Street Missoula, Missoula, Montana, undated
- Unità documentariaBB019895 - Northern Pacific Engineering Drawing: Shop Plan - Under Crossing, Bridge 119 - Harris Street Missoula, Missoula, Montana, undated
- Unità documentariaBB019896 - Northern Pacific Engineering Drawing: Shop Plan - Under Crossing, Bridge 119 - Harris Street Missoula, Missoula, Montana, undated
- Unità documentariaBB019897 - Northern Pacific Engineering Drawing: Shop Plan - Under Crossing, Bridge 119 - Harris Street Missoula, Missoula, Montana, undated
- Unità documentariaBB019898 - Northern Pacific Engineering Drawing: Shop Plan - Under Crossing, Bridge 119 - Harris Street Missoula, Missoula, Montana, undated
- 2729 in più...