| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| S. Lenz and Son Basalt Quarry and plant, St. Helena, Napa County, California, USA | 38° 31' 27" N | 122° 30' 36" W | 0.0km (0.0 miles) | |
| Glass Mountain deposit, St. Helena, Napa County, California, USA | 38° 31' 27" N | 122° 29' 30" W | 1.6km (1.0 miles) | |
| Unnamed Hg occurrence [13], St. Helena, Napa County, California, USA | 38° 30' 18" N | 122° 31' 51" W | 2.8km (1.8 miles) | |
| St. Helena, Napa County, California, USA | 38° 30' 19" N | 122° 28' 13" W | 4.1km (2.5 miles) | |
| Unnamed Fe occurrence [1], St. Helena, Napa County, California, USA | 38° 30' 39" N | 122° 27' 28" W | 4.8km (3.0 miles) | |
| Stirling deposit, St. Helena, Napa County, California, USA | 38° 28' 41" N | 122° 31' 14" W | 5.2km (3.2 miles) | |
| Unnamed stone occurrence [3], Calistoga, Napa County, California, USA | 38° 33' 34" N | 122° 33' 2" W | 5.3km (3.3 miles) | |
| Unnamed stone occurrence [5], Calistoga, Napa County, California, USA | 38° 33' 33" N | 122° 33' 21" W | 5.6km (3.5 miles) | |
| Kellett Mine, Calistoga, Napa County, California, USA | 38° 33' 29" N | 122° 33' 29" W | 5.6km (3.5 miles) | |
| Unnamed Amphibole-Pyroxene occurrence [1], Mount Hood, Hood Mountain Regional Park, West Mayacmas Mining District, Sonoma County, California, USA | 38° 28' 0" N | 122° 30' 36" W | 6.4km (4.0 miles) | |
| Unnamed Perlite occurrence [1], Lake Hennessey, Napa County, California, USA | 38° 30' 30" N | 122° 26' 20" W | 6.4km (4.0 miles) | |
| Clark and March Kaolin Mine, Calistoga, Napa County, California, USA | 38° 33' 9" N | 122° 34' 36" W | 6.6km (4.1 miles) | |
| Holst-Weeks prospect (Holst-Weeks deposit), West Mayacmas Mining District, Sonoma County, California, USA | 38° 29' 9" N | 122° 35' 2" W | 7.7km (4.8 miles) | |
| Angwin, Napa County, California, USA | 38° 34' 32" N | 122° 26' 56" W | 7.8km (4.8 miles) | |
| Mount Hood Mine, Mount Hood, Hood Mountain Regional Park, West Mayacmas Mining District, Sonoma County, California, USA | 38° 27' 42" N | 122° 33' 11" W | 7.9km (4.9 miles) | |
| Mount Hood, Hood Mountain Regional Park, West Mayacmas Mining District, Sonoma County, California, USA | 38° 27' 36" N | 122° 33' 11" W | 8.1km (5.0 miles) | |
| Unnamed Hg occurrence [8], Angwin, Napa County, California, USA | 38° 35' 53" N | 122° 30' 47" W | 8.2km (5.1 miles) | |
| Calistoga, Napa County, California, USA | 38° 34' 44" N | 122° 34' 42" W | 8.5km (5.3 miles) | |
| Unnamed Hg occurrence [9], St. Helena, Napa County, California, USA | 38° 27' 6" N | 122° 28' 23" W | 8.7km (5.4 miles) | |
| Moore Creek prospect (Manganese Ridge prospect), Manganese Ridge, Angwin, Napa County, California, USA | 38° 32' 21" N | 122° 24' 24" W | 9.1km (5.7 miles) | |
| Howell Mountain, Angwin, Napa County, California, USA | 38° 34' 47" N | 122° 25' 55" W | 9.2km (5.7 miles) | |
| Napa Valley Stone (Napa Valley Quarry), Lake Hennessey, Napa County, California, USA | 38° 29' 24" N | 122° 24' 46" W | 9.3km (5.8 miles) | |
| La Joya Mine, Oakville, Oakville Mining District, Napa County, California, USA | 38° 26' 21" N | 122° 28' 15" W | 10.0km (6.2 miles) | |
| Foerchler prospect, Santa Rosa, Sonoma County, California, USA | 38° 29' 30" N | 122° 37' 8" W | 10.2km (6.3 miles) | |
| Unnamed Perlite occurrence [1], Mount Hood, Hood Mountain Regional Park, West Mayacmas Mining District, Sonoma County, California, USA | 38° 27' 2" N | 122° 34' 51" W | 10.3km (6.4 miles) | |
| Reeve claims, Angwin, Napa County, California, USA | 38° 33' 29" N | 122° 23' 58" W | 10.3km (6.4 miles) | |
| Summit Mine, Oakville, Oakville Mining District, Napa County, California, USA | 38° 26' 31" N | 122° 27' 19" W | 10.3km (6.4 miles) | |
| Bacon and Kenney prospect, Oakville, Oakville Mining District, Napa County, California, USA | 38° 26' 18" N | 122° 27' 32" W | 10.5km (6.5 miles) | |
| Unnamed Hg occurrence [6], Calistoga, Napa County, California, USA | 38° 36' 51" N | 122° 33' 53" W | 11.1km (6.9 miles) | |
| Diatomite occurrence (1), Oakville, Oakville Mining District, Napa County, California, USA | 38° 25' 41" N | 122° 28' 20" W | 11.2km (6.9 miles) | |
