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Geoscientific Information
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Polygon
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Year
1999
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1. Soil Survey: Russian River Basin, California, 1999
1999. Circuit Rider Productions. This polygon shapefile is a digital soil survey and generally is the most detailed level of soil geographic data developed by the National Cooperat...
2. Summary Distribution of Slides and Earth Flows: Sonoma County, California, 1970-1980
1999. Circuit Rider Productions. This polygon shapefile describes the general distribution and identity of geologic materials in Sonoma County, Calfornia, from 1970 unitl 1980. Alt... Circuit Rider Productions.