McKinnan Gulch

Marin County, United States

McKinnan Gulch is a valley in Marin County, California, United States. It contains a small stream which descends the western slope of the Bolinas Ridge and drains into Bolinas Lagoon. Near the head of the gulch is an ore vein (reported in 1955) containing chalcopyrite, galena, pyrite, and calcite.

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Mine data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

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