Gray Brothers Quarry at Corona Heights
1880 View across upper Eureka Valley towards Mt. Olympus. Gray Brothers Corona Heights Quarry label and Brick Factory on south slope of hill. Photo: Greg Gaar Collection, San Francisco, CA
The Gray Brothers gained some infamy in turn of the century San Francisco, for they also operated destructive, noisy, dirty quarries on Saving Telegraph Hill 1890-1918 and at today's 30th and Castro South and Castro.