A Brief History of the Granite Industry in San Diego County

Back to the article

Page 61.

Page 62.
Construction of original Sweetwater Dam showing use of granite riprap (1887)

Page 63.
Construction of El Capitan Dam showing use of granite (c 1935)

Page 63.
Old log cabin in Harmony Grove, Escondido, showing use of granite in chimney

Page 65.
Wire saw at Pyramid Granite Company, Escondido

Page 65.
Surface plate with delicate measuring device atached ³³