| Name | Distance | Bearing |
|---|
| Bacon Consolidated Mine (Barnum Mine), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 0.2km (500 feet) | 127° (SE) |
| Bacon Consolidated Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.0km (3400 feet) | 128° (SE) |
| Cinnabar King group, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.1km (3700 feet) | 263° (W) |
| Great Northern prospect, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.4km (4500 feet) | 348° (N) |
| Helen Mine (Helen Mine group; Dead Broke Mine; American Mine), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 1.5km (4800 feet) | 40° (NE) |
| Research Mine, Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 1.5km (5100 feet) | 33° (NNE) |
| Chicago Mine (St. Louis Mine; Ural Mine; Pittsburg Mine), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 1.7km (5500 feet) | 28° (NNE) |
| Jumbo Mine (B & M Mine; Double Star Mine), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.9km (6300 feet) | 261° (W) |
| Occidental Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.9km (6300 feet) | 261° (W) |
| Warner and Clark claim, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.9km (6300 feet) | 280° (W) |
| Paul Warner property (Warner claim; Big Bluff), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 2.1km (7000 feet) | 266° (W) |
| Jewess Mine (Franklin Mine), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 2.2km (7100 feet) | 75° (ENE) |
| Wall Street Mine (Cincinnati Mine; Nevada Mine), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 2.3km (7600 feet) | 59° (ENE) |
| Unnamed Hg occurrence (9), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 3.3km (2.1 miles) | 6° (N) |
| Boston group, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 3.3km (2.1 miles) | 265° (W) |
| Big Injun Mine, Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 3.5km (2.2 miles) | 1° (N) |
| McDonald prospect (McDonald property), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 3.5km (2.2 miles) | 261° (W) |
| Denver and Hope Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 3.6km (2.2 miles) | 291° (WNW) |
| Hays Mine, Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 3.6km (2.2 miles) | 123° (ESE) |
| Unspecified Mn occurrence, Pine Flat, Jimtown, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 3.6km (2.2 miles) | 276° (W) |
| Anna Belcher prospect (Ann Belcher prospect; Lucky Stone prospect), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 3.6km (2.3 miles) | 291° (WNW) |
| Thorne Mine (Bear Canyon), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 3.8km (2.3 miles) | 11° (NNE) |
| Unknown Hg mine (5), Middletown, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 3.8km (2.3 miles) | 123° (ESE) |
| Mead prospect, Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 3.8km (2.4 miles) | 358° (N) |
| Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.1km (2.6 miles) | 352° (N) |
| Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 4.1km (2.6 miles) | 352° (N) |
| Downey Estate prospect, Middletown, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 4.2km (2.6 miles) | 90° (E) |
| Mary Hurley occurrence (Hurley), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.2km (2.6 miles) | 293° (WNW) |
| Von Glahn prospects (Henry Von claim), Middletown, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 4.3km (2.7 miles) | 77° (ENE) |
| Smythe Manganese prospect, Middletown, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 4.3km (2.7 miles) | 100° (E) |
| Sonoma Company No. 27 Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.3km (2.7 miles) | 267° (W) |
| Unnamed Mn mine (4), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.3km (2.7 miles) | 267° (W) |
| Big Chief Mine, Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 4.5km (2.8 miles) | 8° (N) |
| Pine Flat, Jimtown, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.6km (2.8 miles) | 281° (WNW) |
| Last Chance and Young Denver Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.8km (3 miles) | 285° (WNW) |
| Sonoma group (Sonoma Consolidated Mine; Old Sonoma; New Sonoma Mine; Crown Point Mine), Pine Flat, Jimtown, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.8km (3 miles) | 285° (WNW) |
| Juanita occurrence, Middletown, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 4.9km (3.1 miles) | 113° (ESE) |
| Midway Mine (Wilkinson Brothers Mine), Middletown, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 4.9km (3.1 miles) | 113° (ESE) |
| Herrick prospect, Cobb, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 5.2km (3.2 miles) | 24° (NNE) |
| Mohawk occurrence, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 5.2km (3.2 miles) | 313° (NW) |
| Old Chapman occurrence, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 5.3km (3.3 miles) | 166° (SSE) |
| Socrates Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 5.4km (3.4 miles) | 311° (NW) |
| Anderson Springs Mine, Cobb, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 5.5km (3.4 miles) | 16° (NNE) |
| Contact Mine (Walker; Queen group), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 5.5km (3.4 miles) | 304° (NW) |
| Kims Yard II (Anderson Springs pit), Cobb, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 5.8km (3.6 miles) | 23° (NNE) |
| Wheeler prospect, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 6.0km (3.8 miles) | 235° (SW) |
| Lookout, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 6.1km (3.8 miles) | 308° (NW) |
| Spring Hill, Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 6.1km (3.8 miles) | 30° (NNE) |
| Eureka Mine (Flagstaff Mine), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 6.1km (3.8 miles) | 311° (NW) |
| Crystal Mine (Red Cloud Mine; Pacific Mine; Abbey Mine), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 6.3km (3.9 miles) | 297° (WNW) |
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