Publisher
- California. Department of Fish and Game. Marine Resources Region79
- Bay Area Open Space Council9
- County of Santa Cruz Information Services Department7
- United States. National Geospatial-Intelligence Agency4
- Humboldt County Planning and Building Department3
- California. Division of Mines and Geology1
- North American Cartographic Information Society1
- Sacramento County GIS1
- Santa Clara Valley Water District (Calif.)1
- United States. Bureau of Transportation Statistics1
- Wyoming Geographic Information Sciences Center1