Sniff out rocks & minerals near you
1,109 county guides built from 165,179 named US mineral sites in USGS records.
Check access before you go. Most sites listed here are old mines, quarries or prospects, and many are on private land or active mining claims. Get the landowner's permission, check the rules of the agency that manages any public land, and never enter mine workings. Locations are approximate.
Pick a state
- Alabama (2,719 sites)
- Alaska (7 sites)
- Arizona (10,671 sites)
- Arkansas (1,221 sites)
- California (36,111 sites)
- Colorado (12,521 sites)
- Connecticut (449 sites)
- Delaware (16 sites)
- Florida (713 sites)
- Georgia (2,222 sites)
- Hawaii (19 sites)
- Idaho (8,555 sites)
- Illinois (702 sites)
- Indiana (367 sites)
- Iowa (157 sites)
- Kansas (55 sites)
- Kentucky (259 sites)
- Louisiana (155 sites)
- Maine (1,207 sites)
- Maryland (595 sites)
- Massachusetts (371 sites)
- Michigan (1,934 sites)
- Minnesota (1,389 sites)
- Mississippi (694 sites)
- Missouri (6,331 sites)
- Montana (9,030 sites)
- Nebraska (6 sites)
- Nevada (14,432 sites)
- New Hampshire (540 sites)
- New Jersey (767 sites)
- New Mexico (4,892 sites)
- New York (1,371 sites)
- North Carolina (3,751 sites)
- North Dakota (30 sites)
- Ohio (138 sites)
- Oklahoma (465 sites)
- Oregon (8,456 sites)
- Pennsylvania (1,409 sites)
- Rhode Island (27 sites)
- South Carolina (831 sites)
- South Dakota (1,695 sites)
- Tennessee (3,141 sites)
- Texas (1,264 sites)
- Utah (8,791 sites)
- Vermont (402 sites)
- Virginia (3,213 sites)
- Washington (6,854 sites)
- West Virginia (169 sites)
- Wisconsin (1,192 sites)
- Wyoming (2,873 sites)
Popular guides
Source: USGS Mineral Resources Data System (MRDS). USGS ceased systematic updates to MRDS around 2011, so status and details may be out of date. Each site links to its USGS record.
Updated