| Name | Distance | Bearing |
|---|
| Paul Warner property (Warner claim; Big Bluff), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 0.5km (1700 feet) | 207° (SSW) |
| Jumbo Mine (B & M Mine; Double Star Mine), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 0.6km (2000 feet) | 270° (W) |
| Occidental Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 0.6km (2000 feet) | 270° (W) |
| Cinnabar King group, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 0.9km (3000 feet) | 120° (ESE) |
| Boston group, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.5km (5000 feet) | 247° (WSW) |
| Unspecified Mn occurrence, Pine Flat, Jimtown, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.7km (5500 feet) | 273° (W) |
| Denver and Hope Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.7km (5600 feet) | 305° (NW) |
| 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 (5900 feet) | 303° (WNW) |
| McDonald prospect (McDonald property), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.8km (5900 feet) | 242° (WSW) |
| Great Northern prospect, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.9km (6300 feet) | 58° (ENE) |
| Napa Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 1.9km (6300 feet) | 100° (E) |
| Bacon Consolidated Mine (Barnum Mine), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 2.1km (6800 feet) | 102° (ESE) |
| Mary Hurley occurrence (Hurley), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 2.4km (7900 feet) | 304° (NW) |
| Sonoma Company No. 27 Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 2.5km (8100 feet) | 258° (WSW) |
| Unnamed Mn mine (4), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 2.5km (8100 feet) | 258° (WSW) |
| Pine Flat, Jimtown, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 2.6km (8700 feet) | 282° (WNW) |
| Last Chance and Young Denver Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 2.9km (9500 feet) | 289° (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 | 2.9km (9500 feet) | 289° (WNW) |
| Bacon Consolidated Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 2.9km (9500 feet) | 109° (ESE) |
| Research Mine, Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 2.9km (9500 feet) | 70° (ENE) |
| Chicago Mine (St. Louis Mine; Ural Mine; Pittsburg Mine), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 2.9km (9600 feet) | 67° (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 | 3.0km (9700 feet) | 74° (ENE) |
| Unnamed Hg occurrence (9), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 3.7km (2.3 miles) | 37° (NE) |
| Mohawk occurrence, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 3.8km (2.3 miles) | 329° (NNW) |
| Big Injun Mine, Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 3.8km (2.3 miles) | 32° (NNE) |
| Contact Mine (Walker; Queen group), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 3.8km (2.4 miles) | 316° (NW) |
| Socrates Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 3.9km (2.4 miles) | 325° (NW) |
| Mead prospect, Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 3.9km (2.4 miles) | 27° (NNE) |
| Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.0km (2.5 miles) | 20° (NNE) |
| Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 4.0km (2.5 miles) | 20° (NNE) |
| Wall Street Mine (Cincinnati Mine; Nevada Mine), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 4.0km (2.5 miles) | 77° (ENE) |
| Jewess Mine (Franklin Mine), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 4.0km (2.5 miles) | 86° (E) |
| Thorne Mine (Bear Canyon), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 4.3km (2.7 miles) | 38° (NE) |
| Crystal Mine (Red Cloud Mine; Pacific Mine; Abbey Mine), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.5km (2.8 miles) | 305° (NW) |
| Lookout, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.5km (2.8 miles) | 320° (NW) |
| Pacific group, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.5km (2.8 miles) | 281° (WNW) |
| Eureka Mine (Flagstaff Mine), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.6km (2.8 miles) | 323° (NW) |
| Big Chief Mine, Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 4.8km (3 miles) | 32° (NNE) |
| Wheeler prospect, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 4.9km (3 miles) | 218° (SW) |
| Hays Mine, Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 5.4km (3.3 miles) | 115° (ESE) |
| Unknown Hg mine (5), Middletown, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 5.6km (3.5 miles) | 115° (ESE) |
| Baker Ranch property, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 5.9km (3.7 miles) | 304° (NW) |
| Herrick prospect, Cobb, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 5.9km (3.7 miles) | 42° (NE) |
| Anderson Springs Mine, Cobb, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 6.0km (3.7 miles) | 34° (NE) |
| Rattlesnake Mine, The Geysers, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 6.0km (3.7 miles) | 304° (NW) |
| Von Glahn prospects (Henry Von claim), Middletown, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 6.1km (3.8 miles) | 84° (E) |
| Downey Estate prospect, Middletown, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 6.1km (3.8 miles) | 93° (E) |
| Smythe Manganese prospect, Middletown, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 6.2km (3.9 miles) | 100° (E) |
| Old Chapman occurrence, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA | 6.3km (3.9 miles) | 150° (SSE) |
| Kims Yard II (Anderson Springs pit), Cobb, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA | 6.5km (4 miles) | 39° (NE) |
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