McKinnan Gulch

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.

37°54′46″N 122°39′49″W / 37.912704°N 122.663594°W / 37.912704; -122.663594

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