Historic mine sites (MRDS)
Mines, prospects and mineral occurrences from the USGS Mineral Resources Data System.
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About this data
- Published by
- US Geological Survey
- Method
- USGS MRDS download.
- Update frequency
- Static (USGS no longer updates MRDS)
- Last updated
- Oct 6, 2026
- Records
- 14,808
- Coverage
- Statewide.
Records in 52 of 56 counties.
Known gaps
Locations vary in precision; many are historic prospects.
Preview
The newest or first 500 records. Click a column heading to sort. Use the filter to find a place or a name.
Fields
| Field | Column | Description |
|---|---|---|
| Fema id | fema_id | |
| Category | category | Data 4 MT category. |
| Name | name | |
| Dep id | dep_id | |
| Dev status | dev_status | |
| Commodity | commodity | |
| Fips code | fips_code | |
| Huc code | huc_code | |
| Source link | fema_url | The record on the publisher’s site. |
| Longitude | lon | WGS84 degrees. |
| Latitude | lat | WGS84 degrees. |
Downloads and links
Data 4 MT is an index of public records. It republishes only what Montana and federal agencies make public, with a link to the source on each record. People are shown as “Private individual” on public pages and downloads; companies, trusts held by institutions, and governments keep their names. No document images, sale prices, voter, MVD or wildlife-telemetry data are stored. Verify any record against the publisher’s copy before relying on it.