Railroad Archives Online
- フォンドD0027 - Timothy Miller Collection
- シリーズ004 - Northern Pacific Railroad Company
- サブシリーズ009 - Engineering Records
- 008 - Physical plant drawing
- 007 - Track
- 241 more...
- アイテムBB033907 - Northern Pacific Engineering Drawing: Installation Notes, Scale, Spokane, Washington, undated
- アイテムBB035359 - Northern Pacific Engineering Drawing: Shop Plan - Build Plan, Track Scale, Everett, Washington, undated
- アイテムBB035360 - Northern Pacific Engineering Drawing: Foundation Plan, Track Scale, Everett, Washington, undated
- アイテムBB035361 - Northern Pacific Engineering Drawing: 150 Ton Track Scale, Track Scale, Everett, Washington, undated
- アイテムBB035362 - Northern Pacific Engineering Drawing: General Plan, Track Scale, Everett, Washington, undated
- アイテムBB035363 - Northern Pacific Engineering Drawing: Repairs, Track Scale, Everett, Washington, 1936
- アイテムBB035364 - Northern Pacific Engineering Drawing: Repairs, Track Scale, Everett, Washington, 1936
- アイテムBB035365 - Northern Pacific Engineering Drawing: Deck Plan, Track Scale, Everett, Washington, 1946
- アイテムBB035366 - Northern Pacific Engineering Drawing: Steel Details , Track Scale, Everett, Washington, 1946
- 78 more...