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Google Analytics Dashboard for Map showing the distribution of potassium feldspar and fossils in Mesozoic rocks of Marin and San Francisco Counties, and parts of Alameda, Contra Costa, and Sonoma Counties, California

Map showing the distribution of potassium feldspar and fossils in Mesozoic rocks of Marin and San Francisco Counties, and parts of Alameda, Contra Costa, and Sonoma Counties, California

URI: https://pubs.usgs.gov/publication/mf573

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