Yosemite Stone Quarry. This property consists of 40 acres of patented land owned by the Ransome-Crummey Company of Oakland and located on the Merced River at Exchequer on the Yosemite Valley Railroad. The rock is a fine grained diorite and the dike is about 500 feet wide between the walls of slate. The equipment consists of an air compressor and 5 machine drills, a blacksmith shop, gravity tram, two 5-ton cars, 5 Gates gyratory crushers, elevating buckets, 10 motors, one 100-ton ore bin, a large crane, office, and superintendent's house. Power is supplied by the San Joaquin Light and Power Company and 20 men are employed at the present time.

Kansome-Crummey rock crusher at Exchequer, on the Merced River and Yosemite Valley railroad, Mariposa County, California.

Mines and Mineral Resources of Frenso, Kern, Kings,
Madera, Mariposa, San Joaquin, and Stanislaus
California State Mining Bureau Publication
Courtesy of: John Sweetser