USGS: Science Topics: San Francisco

Science Topics

San Francisco

county

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San Francisco Bay bathymetry web site [More info]: Provides location-depth grids of bathymetry available for San Francisco Bay and tools for examining those grids. Data provided as GIS grids and animations.
Facing the great disaster: How the men and women of the U.S. Geological Survey responded to the 1906 "San Francisco Earthquake" [More info]: After the powerful earthquake of April 18, 1906, staff of the U.S. Geological Survey stationed in Sacramento and Berkeley brought help to the residents of devastated San Francisco, documented the effects of the quake, and investigated its causes.
Groundwater quality in the San Francisco Bay groundwater basins, California [More info]: The constituent present at high concentrations in the greatest proportion of the primary aquifer system was TDS, which is an indicator of salinity. Perchlorate was also present at moderate concentration in 42% of samples.

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U.S. Department of the Interior | U.S. Geological Survey
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