. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. water Quarry, San Diego Stone Co. 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
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. water Quarry, San Diego Stone Co. 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 crushing cobble stones for Sand and Gravel Washing Plant. Fenton-Sumption-Barnes River Valley. Photo. SAN DIEGO COUNTY. 683
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Keywords: ., bookauthorcaliforn, bookcentury1800, bookdecade1850, bookyear1853
