Author
- Price, Matt66
- Gap Analysis Program (U.S.)60
- Aucott, Paula53
- Bennett, Chris53
- Southall, Humphrey53
- United States. Department of Housing and Urban Development53
- University of Portsmouth53
- Monterey County (Calif.)41
- Great Britain Historical Geographical Information System38
- Bay Area Open Space Council32
- GreenInfo Network (Firm)31
- San Francisco Bay Area Upland Habitat Goals Project31
- Conservation Lands Network30
- Environmental Systems Research Institute (Redlands, Calif.)28
- Smith, Walter H. F.28
- United States. Bureau of Transportation Statistics28
- Wessel, Paul28
- von Dohlen, Jerry28
- Sacramento County GIS26
- California. Metropolitan Transportation Commission21