Staff did not map areas in the fractured rocks that occur in mountain and foothill areas (e.g. Sierra Nevada), or in permeable volcanics which may provide primary recharge for those areas. By default, the groundwater resources in these areas are considered hydrogeologically vulnerable. Some small alluvial groundwater basins in regions of the Mojave and Colorado Deserts were not mapped due to their sparse population.<\/div>
<\/div>
These maps and metadata tables were distributed to DWR and the Department of Public Health for review and revision. This map should be used as a large scale tool and does not override more recent or detailed site-specific knowledge. <\/div>",
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