A look at the Columbia Gold Project, proposed exploration drilling in the Blackfoot Valley

A look at the Columbia Gold Project, proposed exploration drilling in the Blackfoot Valley

Sentinel Metals, an Australian mining company eyeing gold near the headwaters of the Blackfoot River, is looking to do exploratory drilling for the Columbia Gold Project. Some nearby residents have expressed concerns, as the Blackfoot Valley has a rich, but controversial history with mining.Sentinel Metals does business in Montana under the name Great Plains Mining, LLC. In January, the company applied for an exploration license amendment with t…