Unfinished History
File:Ecology1$brick-factory-1880s.jpg
The Gray Brothers Quarry and brick factory on Corona Heights above bucolic Eureka Valley established in the 1890s.
Photo: Private collection, San Francisco, CA
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.
Photo: Private collection, San Francisco, CA
Corona Heights from the north, looking south, 1926.
Photo: Private collection, San Francisco, CA
The Gray Brother's Brick Factory (on the right-hand slope of the hill, center) on Corona Heights as seen from Twin Peaks in 1900
Photo: Private collection, San Francisco, CA