The federal record (USGS MRDS) lists 35 gold occurrences in Ada County — 20 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 Ada 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 |
|---|---|---|
| Adelmann Group | Past producer | vein |
| Big Giant Mine | Past producer | vein |
| Black Hornet District | Producer | quartz veins |
| Black Hornet Mine | Past producer | vein |
| Paymaster Mine | Past producer | vein |
| Five Mile Creek-Shaw Mountain Belt | Past producer | — |
| Gold Placer | Past producer | placer |
| Golden Star Group | Past producer | — |
| Keltic Gold Mine | Past producer | vein |
| Last Chance Mine | Past producer | vein |
| Last Hope Mine | Past producer | vein |
| Lubkin Mine | Past producer | vein |
| Morning Star Mine | Past producer | vein |
| North Star Mine | Past producer | vein |
| Picket Pin Mine | Past producer | vein |
| Queen | Past producer | — |
| Rising Sun Mine | Past producer | vein |
| Scorpion | Past producer | — |
| Snake River Placers | Past producer | placer |
| Twentieth Century Mine | Past producer | vein |
| Badger | Prospect | — |
| Blizzard | Unknown | — |
| Daisy | Prospect | — |
| Dry Creek Placers | Unknown | placer |
| Elevator | Prospect | — |
| Equitable Group | Prospect | — |
| First Chance | Prospect | — |
| Free Gold | Prospect | — |
| Golden Eagle | Occurrence | — |
| Hattie | Prospect | — |
Showing the top 30 of 35 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.