System Abbreviations and Acronyms

1. NVAP
   Nast’s Water Vapor Project
2. NW
   Nasmyth Wilson
3. NWIS
   Northern Wisconsin Railway
4. NWWS
   North West Wetlands Survey
5. NY&E
   New York & Erie Railroad
6. NY&F
   New Ymrk & Flushing
7. NY&H
   New York & Harlem Railroad
8. NY&P
   New York & Pennsylvania Rr
9. NYEC
   New York Equipment Co.
10. NYPB
    New York, Providence & Boston Rr
11. NYSDT
    New York State Departmentof Transportation
12. NZ
    New Zealand
13. NZL
    New Zealand
14. NZMS
    New Zealand Departmentof Lands and Survey
15. OALS
    Office of Arid Lands Studies
16. OBJ
    Objekt
17. OC
    Old Colony Rr
18. OCRR
    Oil Creek Rr
19. OCV
    Other Coaching Vehicle
20. ODFW
    Oregon Departmentof Fish Ald Wildlife

Last updated: January 4, 2020 — Total entries: 1,214