Upland, CA Mines
Mines in Upland, California
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Campus Plant | Holliday Rock Co., Inc. | Unknown | Sand and Gravel | |
| Marble Canyon | Tungsten | |||
| Marble Canyon | Unknown | Tungsten | ||
| San Antonio Canyon Corundum | National Forest | Abrasives | ||
| Upland Pit | Blue Diamond Material | Unknown | Sand and Gravel | |
| Upland Pit | Calmat Co.-Aggregate Division | Sand and Gravel | ||
| Upland Pit and Mill | Holliday Rock Co., Inc. | Unknown | Sand and Gravel | |
| Upland Plant | Conrock Co. | Unknown | Sand and Gravel | |
| Upland South Pit | Blue Diamond Materials | Unknown | Gold Sand and Gravel Silver |