The federal record (USGS MRDS) lists 107 gold occurrences in Sierra County — 45 of them past or active producers. Below is that record, readable: the documented sites, and the live map that puts claims, creeks, roads and geology under every one of them.
Open the Sierra County gold map → Membership — first week free
Producers first, then prospects and occurrences — each links into the live map of that exact ground:
| Site | Status | Type |
|---|---|---|
| Las Animas Placers | Producer | placer |
| Andy Johnson | Past producer | — |
| Bigelow | Producer | — |
| Black Knife Group 1880's | Producer | — |
| Blackeyed Susan | Past producer | — |
| Brush Heap | Past producer | — |
| Bullion | Past producer | — |
| Calamity Jane | Producer | — |
| Caledonia | Past producer | — |
| Cincinnati | Past producer | — |
| Climax | Past producer | — |
| Dutch Gulch | Past producer | placer |
| Empire | Past producer | — |
| Empire Mine 1900's | Past producer | — |
| Fullerton Claim 1900's | Past producer | — |
| General Jackson | Past producer | — |
| Gold Dust Placers | Past producer | placer |
| Grey Eagle Mine 1880's | Producer | — |
| Gypsy | Past producer | — |
| Homestake | Past producer | — |
| Homestake-Tripp Mine | Past producer | — |
| Illinois | Past producer | — |
| Illinois Mine 1880's | Producer | — |
| Iron King | Past producer | — |
| Kangaroo | Past producer | — |
| Kingston District | Past producer | replacement |
| Lady Franklin | Past producer | — |
| Luxemburg | Past producer | placer |
| Matchless | Past producer | — |
| McKinley | Past producer | — |
Showing the top 30 of 107 recorded gold occurrences — every one is on the live map.
The free map shows every dot above. Membership opens the layers that turn dots into a plan — favorability at working zoom, active claims, land ownership, geology and the creeks that drain the known sources. The first 7 days are free.