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State
Continuously Operating Reference Stations (CORS) Network
State of New York —
NYSNet is a spatial reference network of continuously operating Global Positioning System (GPS) reference stations (CORS) throughout New York State that can be used... -
City
Survey Controls
City of Chesapeake —
Survey Controls in the City of Chesapeake. Maintained by Public Works. -
State
SF Bay Tidal Datums (2016)
State of California —
This study is the first comprehensive publication of tidal datums and extreme tides for San Francisco Bay (Bay) since the United States Army Corps of Engineers...