National Geologic Map Database
General Information
- Title: Flood-prone areas of coastal San Mateo County, California, including Half Moon Bay, San Gregorio, La Honda, Pigeon Point, and Franklin Point 7 1/2-minute quadrangles
- Author(s): U.S. Geological Survey
- Publishing Organization: U.S. Geological Survey
- Series and Number: Basic Data Contribution No. 20
- Publication Date: 1971
- Map Scale: 1:24,000
- Cross Section: None
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- For more information, please contact:
- U.S. Geological Survey
- USGS Information Services
- Box 25286
- Denver, CO 80225
- Phone: (303) 202-4700 or 1-888-ASK-USGS
- Fax: (303) 202-4710
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.