The Duluth Complex

Source: Minnesota Minerals, Minnesota Department of Natural Resources, Jan. 2016. View full map here.

St. Louis River Drainage Basin

Map from American Rivers. View source here.

1854 Ceded Territory

Source: 1854 Treaty Authority, Inter – Tribal Natural Resources. View source here.

Proposed Twin Metals Sulfide Mine

Tamarack Exploration for Potential Sulfide Mine