SOURCES FOR SURVEY MONUMENT DATA

• OPUS: Online Positioning User Service
• CORS: Continuously Operating Reference Stations
• National Readjustment: NAD83(NSRS2007) Coordinates Available
• NGS Data Sheets
• NGS Mark Recovery Report

• NC Geodetic Survey Station Search (Monument Descriptions).
• NC Geodetic Survey Station Recovery Form (Monument Recovery Report).
• View county maps showing monument locations. or HARN Stations map.
• NAD 83/2001 Positions
• NAD 83/NSRS2007 Positions

• SC Geodetic Survey Station Database (Monument Descriptions).

• IGS Rapid Orbit
  (17 hour latency, SP3 files).

• NCDOT GPS Control Database
• NCDOT .ssf Solution Retriever (HARN Coordinates).

• Benchmark Hunting
  Their database of monuments came from NGS, but has not been updated.
  Search by PID, location, or nearby benchmarks. Map the location with Mapquest or several other mapping sites.

• CORPSCON version 6.x

• Precise Point Positioning (PPP)