URI(s)
Identifies LC/NAF RWO
Identifies RWO
Exact Matching Concepts from Other Schemes
Sources
- found: Railroad-highway grade crossing handbook, 2007:tech. report doc. p. (Brent D. Ogden, Korve Engineering)
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 2007-10-19: new
- 2013-04-27: revised
Alternate Formats