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| | San Diego County |
 | | San Diego County, California – TTT Quarry (Stone) (active ca 1996) (From Mines and Mineral Producers Active in California (1994-1995), Special Publication 103 (Revised 1996), California Department of Conservation, Division of Mines and Geology, in cooperation with California Department of Conservation, Office of Mine Reclamation. |
 | | San Diego County, California – UCLH San Marcos (Stone) (active ca 1996) (From Mines and Mineral Producers Active in California (1994-1995), Special Publication 103 (Revised 1996), California Department of Conservation, Division of Mines and Geology, in cooperation with California Department of Conservation, Office of Mine Reclamation. |
 | | One is near Santee station on the San Diego, Cuyamaca and Eastern Railway, 25 miles from San Diego in the east side of the hill south of the station. |
| www.cagenweb.com /quarries/states/ca/quarry_photo/ca-san_diego_photos_2.html (5456 words) |
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