| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Belmont, San Mateo County, California, USA | 37° 31' 13" N | 122° 16' 28" W | 0.1km (0.1 miles) | |
| Middle Road Mine, Belmont, San Mateo County, California, USA | 37° 31' 10" N | 122° 16' 59" W | 0.6km (0.4 miles) | |
| South Road Mine, Belmont, San Mateo County, California, USA | 37° 31' 2" N | 122° 17' 2" W | 0.8km (0.5 miles) | |
| North Road Mine, Belmont, San Mateo County, California, USA | 37° 31' 17" N | 122° 17' 18" W | 1.1km (0.7 miles) | |
| Gardner Mine, San Carlos, San Mateo County, California, USA | 37° 31' 9" N | 122° 15' 43" W | 1.2km (0.7 miles) | |
| Splivalo & Johnson Mine, Belmont, San Mateo County, California, USA | 37° 31' 48" N | 122° 16' 55" W | 1.2km (0.8 miles) | |
| Unnamed stone quarry/pit [4], San Carlos, San Mateo County, California, USA | 37° 30' 10" N | 122° 16' 40" W | 1.9km (1.2 miles) | |
| San Carlos, San Mateo County, California, USA | 37° 30' 25" N | 122° 15' 38" W | 2.0km (1.2 miles) | |
| Unnamed stone quarry [2], San Carlos, San Mateo County, California, USA | 37° 30' 6" N | 122° 15' 46" W | 2.3km (1.4 miles) | |
| Tyson Mine, Belmont, San Mateo County, California, USA | 37° 30' 42" N | 122° 18' 33" W | 3.1km (1.9 miles) | |
| Britton Ranch Mine, San Carlos, San Mateo County, California, USA | 37° 29' 27" N | 122° 17' 39" W | 3.6km (2.2 miles) | |
| Edgewood Quarry and mill, Emerald Lake Hills, San Mateo County, California, USA | 37° 28' 32" N | 122° 16' 41" W | 4.9km (3.1 miles) | |
| Redwood City, San Mateo County, California, USA | 37° 29' 7" N | 122° 14' 7" W | 5.3km (3.3 miles) | |
| Redwood Material Company Mine, Emerald Lake Hills, San Mateo County, California, USA | 37° 28' 50" N | 122° 18' 41" W | 5.4km (3.3 miles) | |
| Upper Crystal Springs Reservoir (Crystal Springs Lake), San Mateo, San Mateo County, California, USA | 37° 29' 49" N | 122° 20' 8" W | 5.9km (3.7 miles) | |
| Kaiser Gypsum Mine, Redwood City, San Mateo County, California, USA | 37° 29' 39" N | 122° 12' 51" W | 6.1km (3.8 miles) | |
| Emerald Lake Hills, San Mateo County, California, USA | 37° 27' 52" N | 122° 16' 5" W | 6.2km (3.9 miles) | |
| Challenge deposit, Redwood City, San Mateo County, California, USA | 37° 27' 57" N | 122° 15' 16" W | 6.3km (3.9 miles) | |
| Unnamed Cr occurrence [1], Upper Crystal Springs Reservoir (Crystal Springs Lake), San Mateo, San Mateo County, California, USA | 37° 30' 15" N | 122° 20' 42" W | 6.4km (4.0 miles) | |
| San Mateo, San Mateo County, California, USA | 37° 33' 47" N | 122° 19' 27" W | 6.4km (4.0 miles) | |
| Redwood City Operation Mine (Redwood City Mine), Redwood City, San Mateo County, California, USA | 37° 30' 45" N | 122° 12' 5" W | 6.6km (4.1 miles) | |
| San Mateo Development Company Quarry [1], San Mateo, San Mateo County, California, USA | 37° 32' 27" N | 122° 20' 55" W | 6.8km (4.3 miles) | |
| San Mateo Development Company Quarry [2], San Mateo, San Mateo County, California, USA | 37° 32' 55" N | 122° 20' 43" W | 6.9km (4.3 miles) | |
| Canada Road North Mine, Emerald Lake Hills, San Mateo County, California, USA | 37° 27' 15" N | 122° 16' 51" W | 7.3km (4.6 miles) | |
| Canada Road South Mine (Woodside-Holt Mine), Emerald Lake Hills, San Mateo County, California, USA | 37° 27' 11" N | 122° 16' 45" W | 7.4km (4.6 miles) | |
| Redwood Quicksilver prospect, Redwood City, San Mateo County, California, USA | 37° 27' 20" N | 122° 14' 53" W | 7.6km (4.7 miles) | |
| Skyline Quarry, Montara Mountain, San Mateo County, California, USA | 37° 30' 21" N | 122° 21' 35" W | 7.6km (4.7 miles) | |
| Farm Hill No. 2 Mine (Emerald Lake Mine; Upper Emerald Lake deposit; Farm Hill Cinnabar property), Redwood City, San Mateo County, California, USA | 37° 27' 12" N | 122° 15' 1" W | 7.7km (4.8 miles) | |
| Hilltop Quarry, Montara Mountain, San Mateo County, California, USA | 37° 30' 46" N | 122° 22' 36" W | 8.9km (5.6 miles) | |
| Atherton, San Mateo County, California, USA | 37° 27' 40" N | 122° 11' 47" W | 9.6km (5.9 miles) | |
Minerals recorded nearby (within 9.6 km)
Rock types recorded nearby (within 9.6 km)
Entries shown in red are rocks recorded for this region.
Challenge deposit, Redwood City, San Mateo County, California, USA