Gray Brothers quarry above 30th Street and Castro 1997, 1930, and 1927
Photo: Chris Carlsson
Multiple views of Billy Goat Hill in 1997, 1930 and 1927 where the Gray Brothers quarried at 30th and Castro long ago.
Castro and 30th Streets, 1927.
Castro and 30th Streets,1930.
Photos: Greg Gaar Collection, San Francisco, CA