Contours, 10 ft interval, Non-Watershed area
- Towill Inc
- Elevation Contours of Napa County for non-watershed Area, 10 foot interval. These are the 10 ft contours produced during the 2002/2003 Orthophotography Project. The area covered by this data is referred to as the Non-watershed Area because it lies outside the Napa River Watershed. The contours were mapped at a scale of 1"=400ft and meet National Map Accuracy standards at this scale. The vertical datum for the contours is NAVD88.
- Napa County (Calif.). County Of Napa.
- Napa County (Calif.)
- Elevation, Topography, and Contours
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