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Watersheds
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1970
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1. Drainage basins of the Indian Creek Karst Valley Area
1970. Powell, Richard L., cartographer. Blue line print.; Rlp-1970.; Base map from USGS 7.5 minute topographic quadrangles, 1964. Scale approximately 1:12,000.
2. Summary Distribution of Slides and Earth Flows: Russian River Basin, California, 1970-1980
1970. Circuit Rider Productions. This polygon shapefile describes the general distribution and identity of geologic materials in the Russian River watershed region of California, f... Circuit Rider Productions.