1977. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base map dated 1975; interpretations derived from soil map constructed 1976.; "Projection and 10 000-metre grid ... Dept. of Agriculture, Soil Conservation Service (Washington.).
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1977. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base map compiled in 1975; interpretations derived from soil map constructed 1974.; "Projection and 10,000-metre... Dept. of Agriculture, Soil Conservation Service (Washington.).
Shows also drainage, railroads, land ownership, section lines, etc. Vineyards and orchards are outlined in orange. Colonies are noted with orange t... M. Theo. Kearney.
1977. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base map dated 1975; interpretations derived from soil map constructed 1964.; "Projection and 10,000-metre grid ... Dept. of Agriculture, Soil Conservation Service (Washington.).
1979. United States. Soil Conservation Service. Base source: USGS county base dated 1976; interpretations derived from soil map constructed 1961.; "Projection and 10,000-meter grid ticks, zone 18... Dept. of Agriculture, Soil Conservation Service (Lanham, Md.).
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.
1978. United States. Soil Conservation Service. Universal Transverse Mercator projection; 1927 North American datum.; Feb. 1978.; Indexed. 92 x 112 centimeters Scale 1:50,00. Dept. of Agriculture, Soil Conservation Service (Washington.).
1980. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base dated 1977; interpretations derived from soil map constructed 1973.; "Projection and 10,000-metre grid tick... Dept. of Agriculture, Soil Conservation Service (Washington.).
1981. United States. Soil Conservation Service. "Nov. 1981."; Includes location map. 116 x 96 centimeters Scale 1:50,000. U.S. Dept. of Agriculture, Soil Conservation Service (Washington.).
1980. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base dated 1978; interpretations derived from soil map constructed 1956.; "Projection and 10,000-metre grid tick... Dept. of Agriculture, Soil Conservation Service (Washington.).