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Wetlands of the San Pablo Bay Watershed. You may click on a region of the map below to view a more detailed map of that region, or you may choose to view the print quality map. See below for more information about this map.

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Upper Napa & Sonoma Subarea Land Use Lower Napa Subarea Land Use Lower Sonoma Subarea Land Use Petaluma River Subarea Land Use Marin Subarea Land Use Contra Costa Subarea Land Use San Pablo Bay Watershed Wetlands

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About This Map

The wetlands classifications and locations illustrated in this map come from the National Wetlands Inventory, which is a part of long-term effort by the U.S. Fish & Wildlife Service to inventory and track wetlands trends on a national scale. The maps are intended to provide information about the general location of wetlands. They are not intended for regulatory purposes, project planning or in lieu of on-site evaluation. Additionally, there was no data available for the northern portions of the watershed.