Examples of Survey Monuments
National Geodetic Survey & U.S. Coast and Geodetic Survey
U.S. Geological Survey
North Carolina Geodetic Survey
Others
SOURCES FOR SURVEY MONUMENT DATA
NGS
OPUS: Online Positioning User Service
CORS: Continuously Operating Reference Stations
National Readjustment:
NAD83(NSRS2007) Coordinates Available
NGS Data Sheets
NGS Mark Recovery Report
NGS Coordinate Conversion and Transformation Tool
NCGS
NC Geodetic Survey Station Search
(Monument Descriptions).
IGS
International GNSS Service
IGS Rapid Orbit
(17 hour latency, SP3 files).
Trimble GPS Data Resources
Canadian Spatial Reference System
Precise Point Positioning (PPP)