Caltrans - District 6
Malcolm Dougherty
District 6 Director
Serving Fresno, Kern, Kings, Madera, and Tulare Counties
District 6 Land Surveys
- D6 Land Surveys Home
- Central Valley Spatial Reference Network (CVSRN) Home
- CVSRN Map
- D6 Land Surveying FAQ

Central Valley Spatial Reference Network
CVSRN Reference Station Map
Click on the desired Reference Station on the map below to view available information.
Reference Stations that are coming soon:- Althea - ALTH
- Corcoran - CORO
- PBO Station - P056
- PBO Station - P301
- Reedley Municipal Airport - RAPT
