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Flood-prone areas in the Napa River drainage basin, Napa County, California, including St. Helena, Rutherford, Yountville, Napa, and Cuttings Wharf 7 1/2-minute quadrangles
Flood-prone areas in the Napa River drainage basin, Napa County, California, including St. Helena, Rutherford, Yountville, Napa, and Cuttings Wharf 7 1/2-minute quadrangles