Everything below comes straight from the federal record (USGS MRDS) — every documented gold occurrence, prospect and producer in Arizona, mapped and readable for free. Not the famous names retold: the actual filed records, including the quiet ground between the famous districts.
Open the live Arizona gold map → Membership — first week free
Principal recorded commodities: Copper (1,984) · Gold (1,729) · Gold, Silver (840) · Sand and Gravel, Construction (789) · Silver (684) · Manganese (588).
The counties with the most recorded gold occurrences — each links to its own page and into the live map of that ground (claims, creeks, roads and geology on):
| County | Gold records | Producers |
|---|---|---|
| Yavapai County map → | 537 | 267 |
| Mohave County map → | 399 | 117 |
| Pima County map → | 145 | 127 |
| Maricopa County map → | 115 | 52 |
| La Paz County map → | 110 | 61 |
| Pinal County map → | 87 | 55 |
| Cochise County map → | 86 | 63 |
| Gila County map → | 74 | 49 |
| Yuma County map → | 72 | 49 |
| Santa Cruz County map → | 69 | 49 |
Sites the federal record lists with medium or large production — proven ground worth a careful, legal look at the country around it:
| Site | County | Status | Recorded size |
|---|---|---|---|
| Copperstone | La Paz | Past Producer | Large |
| Plomosa Placers | La Paz | Past Producer | Large |
| Emerald Mine | Cochise | Past Producer | Medium |
| Lynx Creek Placers | Yavapai | Producer | Medium |
| Superior and Boston Mine | Gila | Past Producer | Medium |
| Vulture Placers | Maricopa | Past Producer | Medium |
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.
The dots are the record. The method is how you read them: