Easily locate current Survey Benchmarks and Benchmark data:
Search by NDE, OPUS, NCN, Address, PID, Lat/Lon, or CorsID
NDE (NOAA's National Data Exchange)
Datasheets and Beta Passive Map
OPUS (NOAA's Online Positioning User Service)
Datasheets, Shared Solution, and Beta Passive Map
NCN (NOAA's CORS Network)
Datasheets