The federal record (USGS MRDS) lists 141 gold occurrences in San Juan County — 93 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 San Juan 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 |
|---|---|---|
| Adelphin | Past producer | — |
| Alaska No.2 | Past producer | — |
| Alethea Group | Past producer | — |
| Animas Forks | Past producer | — |
| Argentine | Past producer | — |
| Aztec | Past producer | — |
| Bagley | Past producer | — |
| Bandora Group | Past producer | — |
| Belle Creole | Past producer | — |
| Big Three | Past producer | — |
| Black Hawk | Past producer | — |
| Bonanza King | Past producer | — |
| Bonner | Past producer | — |
| British Queen | Past producer | — |
| Burbank | Past producer | — |
| Chattanooga | Past producer | — |
| Columbus | Past producer | — |
| Detroit Hollister | Past producer | — |
| Diamond | Past producer | — |
| Empire-Mascot | Past producer | — |
| Endless Chain | Past producer | — |
| Free Gold | Past producer | — |
| Gladstone | Past producer | — |
| Gold Bug | Past producer | — |
| Gold Dollar - Little Mack | Past producer | — |
| Gold King | Past producer | vein |
| Gold Nugget | Past producer | — |
| Golden Fleece | Producer | — |
| Golden Shear Group | Past producer | — |
| Good Hope | Past producer | — |
Showing the top 30 of 141 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.