| Name | Distance | Bearing |
|---|
| Boston group, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 0.3km (1000 feet) | 34° (NE) |
| Sonoma Company No. 27 Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 0.9km (2900 feet) | 292° (WNW) |
| Unnamed Mn mine (4), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 0.9km (3000 feet) | 291° (WNW) |
| Unspecified Mn occurrence, Pine Flat, Jimtown, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 0.9km (3000 feet) | 355° (N) |
| Paul Warner property (Warner claim; Big Bluff), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.4km (4600 feet) | 74° (ENE) |
| Jumbo Mine (B & M Mine; Double Star Mine), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.6km (5300 feet) | 82° (E) |
| Occidental Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.6km (5300 feet) | 82° (E) |
| Pine Flat, Jimtown, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.7km (5700 feet) | 325° (NW) |
| Warner and Clark claim, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.8km (5900 feet) | 62° (ENE) |
| Anna Belcher prospect (Ann Belcher prospect; Lucky Stone prospect), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.8km (6000 feet) | 3° (N) |
| Denver and Hope Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.8km (6000 feet) | 6° (N) |
| Last Chance and Young Denver Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 2.1km (6900 feet) | 327° (NNW) |
| 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 | 2.1km (6900 feet) | 327° (NNW) |
| Mary Hurley occurrence (Hurley), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 2.2km (7300 feet) | 350° (N) |
| Cinnabar King group, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 2.4km (7900 feet) | 81° (E) |
| Wheeler prospect, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 3.3km (2.1 miles) | 206° (SSW) |
| Pacific group, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 3.3km (2.1 miles) | 301° (WNW) |
| Napa Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 3.5km (2.2 miles) | 81° (E) |
| Bacon Consolidated Mine (Barnum Mine), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 3.6km (2.3 miles) | 83° (E) |
| Great Northern prospect, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 3.7km (2.3 miles) | 60° (ENE) |
| Contact Mine (Walker; Queen group), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 3.7km (2.3 miles) | 343° (NNW) |
| Crystal Mine (Red Cloud Mine; Pacific Mine; Abbey Mine), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.0km (2.5 miles) | 329° (NNW) |
| Socrates Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.1km (2.5 miles) | 351° (N) |
| Mohawk occurrence, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.1km (2.5 miles) | 355° (N) |
| Bacon Consolidated Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.3km (2.7 miles) | 92° (E) |
| Lookout, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.4km (2.8 miles) | 343° (NNW) |
| Eureka Mine (Flagstaff Mine), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.6km (2.9 miles) | 346° (NNW) |
| Research Mine, Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 4.7km (2.9 miles) | 67° (ENE) |
| Chicago Mine (St. Louis Mine; Ural Mine; Pittsburg Mine), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 4.7km (2.9 miles) | 65° (ENE) |
| Helen Mine (Helen Mine group; Dead Broke Mine; American Mine), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 4.7km (2.9 miles) | 70° (ENE) |
| Baker Ranch property, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 5.3km (3.3 miles) | 322° (NW) |
| Big Injun Mine, Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 5.4km (3.4 miles) | 41° (NE) |
| Rattlesnake Mine, The Geysers, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 5.4km (3.4 miles) | 321° (NW) |
| Unnamed Hg occurrence (9), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 5.4km (3.4 miles) | 45° (NE) |
| Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 5.5km (3.4 miles) | 33° (NNE) |
| Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 5.5km (3.4 miles) | 33° (NNE) |
| Mead prospect, Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 5.5km (3.4 miles) | 38° (NE) |
| Jewess Mine (Franklin Mine), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 5.7km (3.5 miles) | 79° (E) |
| Wall Street Mine (Cincinnati Mine; Nevada Mine), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 5.7km (3.6 miles) | 73° (ENE) |
| Thorne Mine (Bear Canyon), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 6.0km (3.7 miles) | 45° (NE) |
| Derrick Tin prospect, Healdsburg, Sonoma Co., California, USA | 6.4km (4 miles) | 205° (SSW) |
| Big Chief Mine, Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 6.5km (4 miles) | 40° (NE) |
| Unnamed limestone mine (1), The Geysers, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 6.5km (4 miles) | 258° (W) |
| Mericoma Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 6.6km (4.1 miles) | 214° (SW) |
| Hays Mine, Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 6.6km (4.1 miles) | 102° (ESE) |
| Old Chapman occurrence, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 6.6km (4.1 miles) | 134° (SE) |
| Unknown Hg mine (5), Middletown, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 6.8km (4.2 miles) | 103° (ESE) |
| Unnamed Mn occurrence (1), The Geysers, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 7.4km (4.6 miles) | 302° (WNW) |
| Anderson Springs Mine, Cobb, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 7.6km (4.7 miles) | 40° (NE) |
| Herrick prospect, Cobb, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 7.7km (4.8 miles) | 47° (NE) |
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