Mines in San Ysidro, California
| Mine |
Owner |
Land Status |
Work Type |
Minerals |
| Beyer Pit |
Nelson And Sloan |
Unknown |
|
Sand and Gravel |
| Border Pit |
|
Private |
|
Sand and Gravel |
| Border Pit |
Nelson And Sloan |
|
|
Sand and Gravel |
| Dairymart Pit |
H. G. Fenton Materials Co. |
Federal |
|
Sand and Gravel |
| Grey Pit |
Nelson And Sloan |
Unknown |
|
Sand and Gravel |
| Mosto Ranch Deposit |
|
|
|
Clays |
| Nelson & Sloan Pit |
|
Private |
|
Sand and Gravel |
| Otay Operation |
|
Private |
|
Sand and Gravel |
| Otay Operation #1 |
|
Private |
|
Sand and Gravel |
| Otay Operation #1 |
H. G. Fenton Materials Co. |
Private |
|
Sand and Gravel |
| Otay Operation No. 3 |
|
|
|
Sand and Gravel |
