Appendix to the Journals of the Senate and Assembly of the session of the Legislature of the State of California (1917) (14783913512)

Identifier: appendixtojourna19177cali (find matches)
Title: Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California
Year: 1853 (1850s)
Authors: California. Legislature
Subjects: Legislative journals
Publisher: Sacramento : State Printing
Contributing Library: San Francisco Public Library
Digitizing Sponsor: San Francisco Public Library



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and finefor mortar. The gravel is produced in two sizes; one inch and inch anda half. Crushed stone is also produced from cobbles and sold in oneinch size. About half of the sand comes from the gravel washing plantin the Otay River Valley. Here the company controls 160 acres alongthe stream bed in Sees. 22 and 23, the plant being in NW. j of theSW. i of Sec. 22. The company also works a deposit of sand in the SAN DIEGO COUNTY. 681 SE. of Sec. 1, near Tia Jiiana. Other sand tracts are controlled nearRiVerview and Lakeside, each about three quarters of a mile long andcomprising 100 acres. The sand here is loaded with a locomotive craneand sold in its natural state. The plant began operations in June, 1912,and from that time until May, 1913, were shipped 5,859 cars of 25 tonseach, two thirds of these being of crushed stone and one third sand.From the plant at Otay shipments amount to 350 cars per month. The Sylvan Gravel Company, J. P. Stibolt, president and manager,J. Brown, secretary.
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Crushing and Screening Plant. Sweetwater Quarry, San Diego Stone Co. F.J.H.M. Photo. This company operates a plant in Rose Canyon near Selwyn station,using gravel and cobble stones from the arroyo bottom. A small crush-ing plant is in operation. The city office is at the southwest corner ofEighth and M streets. The Mission Rock Company, 111 C street, L. T. Daley, president;Geo. W. Pierce, secretary. This company operates a plant in Murphys Canyon, north of theMission Valley. The chief product is crushed cobble stones. Havingbeen in operation only since August, 1913, it has not yet attained much 45—27278 682 GEOLOGY AND MINERATi RESOURCES. production. Its capacity is 50 tons per day, using a No. 3 Austingyratory crusher. A washing plant is now being installed. In the IMission Valley several other companies have gathered sandfor building and marketed it in San Diego. In the northern part of theCity, east of the State Normal School, a small portable plant is operatedby Ole Nelson for c