BDB Programs
DFG GIS Links
- GIS Clearinghouse
- Interactive Map Viewers
- Web Map Services
- Software & Tools
- GIS/GPS Support Documents
- Marine Region GIS
Related GIS Links
Department of Fish & Game
Biogeographic Data Branch
1807 13th Street, Suite 202
Sacramento, CA 95811
(916) 322-2493 • Email BDB
GIS/GPS Support Documents
Global Positioning Systems (GPS)
- [PDF] Position Formats
- [PDF] MapSource Quickguide
Projections, Coordinate Systems, and Datums
- [PDF] Projection and Datum Guidelines
- [PDF] Interpolating UTM coordinates from a USGS 7.5 minute quadrangle