| Boulevard |
Conrock Co. |
Unknown |
|
Sand and Gravel |
| Boulevard Pit |
Calmat Co.-Aggregate Div. |
|
|
Sand and Gravel |
| Cal Mat Pit |
Conrock Co. |
Private |
|
Sand and Gravel |
| California Materials Co. Pit |
|
Unknown |
|
Sand and Gravel |
| Cooperative Building Materials Co. |
|
Unknown |
|
Sand and Gravel |
| Ferro-Titan |
|
Unknown |
|
Titanium |
| Graham Bros.-Roscoe Plant |
|
Unknown |
|
Sand and Gravel |
| Granite Materials Co. - Wick St. |
|
Unknown |
|
Sand and Gravel |
| Granite Materials Co.-Tujunga Ave. |
|
Unknown |
|
Sand and Gravel |
| Livingston-Graham Sun Valley Pit |
Livingston-Graham, Inc. |
Unknown |
|
Sand and Gravel |
| Mahan Plant |
|
Unknown |
|
Sand and Gravel |
| Penrose Plant |
|
Unknown |
|
Sand and Gravel |
| Rancho Rock Co |
|
Unknown |
|
Sand and Gravel |
| Roscoe Plant-Cons. Rock Prod. Co. |
|
Unknown |
|
Sand and Gravel |
| Sheldon Pit - Sun Valley |
Calmat Co.-Aggregate Div. |
|
|
Sand and Gravel |
| Sheldon Plant |
|
Unknown |
|
Sand and Gravel |
| Sun Valley Plant |
Conrock Co. |
Unknown |
|
Sand and Gravel |
| Sunset Rock Products Co. |
|
Unknown |
|
Sand and Gravel |
