2007. Napa County Conservation, Development Planning. Napa Valley American Viticultural Area (AVA)
This layer is composed of a polygon that depicts the land in Napa VALLEY that is part of the Napa Vall... Napa County (Calif.). County Of Napa.
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2009. Napa County Conservation, Development Planning. Napa Valley American Viticultural Areas (Sub-AVA's)
Polygons showing the area in Napa County that are part of the Napa Valley American Viticulture ... Napa County (Calif.). County Of Napa.
2003. Napa County Conservation, Development Planning. Napa County Viewshed Roads per the Viewshed Protection Ordinance. Napa County (Calif.). County Of Napa.