Map and data

State nonferrous metallic mineral leasing web map
New web map displaying current active and historic state nonferrous leases along with lease sale and land use screening data
Web map »
Counties with state metallic mineral leases
As of January 1, 2026
County | Number of leases | Percentage of total leases |
|---|---|---|
Aitkin | 29 | 23.77% |
Carlton | 13 | 10.66% |
Lake | 21 | 17.21% |
St. Louis | 59 | 48.36% |
4 Total Counties | 122 Leases | 100% |
Companies holding state metallic mineral leases
Exploration company | Number of leases | Counties |
|---|---|---|
Agate Lake Resources, LLC | 1 | St. Louis |
DMC USA LLC | 2 | St. Louis |
Encampment Minerals, Inc. | 48 | Lake and St. Louis |
Franconia Minerals Inc. | 17 | Lake and St. Louis |
Kennecott Exploration Company | 42 | Aitkin and Carlton |
Teck Cominco American Inc. | 2 | St. Louis |
Twin Metals Minnesota LLC | 10 | Lake |
Total | 122 |
Data

GIS data
The Lands and Minerals Division has a history of creating, maintaining, and sharing spatial datasets and digital print maps.
State mineral leasing GIS data »
