Creator
- Nevada County (Calif.)1
- Calaveras County GIS3
- California. Department of Transportation4
- City of Hayward2
- DTIS1
- Fresno County (Calif.). Department of Public Works and Planning1
- Geological Survey (U.S.)1
- Humboldt County Community Development Services1
- Kern County (Calif.) -- Engineering, Surveying and Permit Services 1
- Mono County (Calif.) -- Information Technology1
- Napa County (Calif.)1
- National Atlas of the United States2
- Navarro, Fernando3
- Placer County (Calif.) -- Community Development Resource Agency1
- Powell, Susan3
- Pribyl, Cindy2
- San Benito County (Calif.) -- Information Technology1
- Santa Cruz County (Calif.) -- Assessor's Office1
- Santa Cruz County (Calif.) -- Department of Information Services1
- United States. Bureau of Transportation Statistics2