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Agriculture
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Contra Costa County (Calif.)
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Year
1988
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1. Important Farmland, Contra Costa County, California, 1988
1988. California. Farmland Mapping and Monitoring Program. This polygon shapefile represents areas of important farmland in Contra Costa County, California for 1988. Established in 1982, Government Code Sec... California. Farmland Mapping and Monitoring Program.