FoundSF

The Gray Brothers Quarry and brick factory on Corona Heights above bucolic Eureka Valley established in the 1890s.

Corona Heights Quarry, late 19th Century

By 1899, they had removed tons of rock and produced tens of thousands of bricks, creating the blasted landscape at left (seen from the hill between Eureka and Noe Valleys just west of Dolores Park). The Gray Brothers also quarried Telegraph Hill and Billy Goat Hill above Noe Valley.

Photos: Greg Gaar collection, San Francisco, CA

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