Company to start drilling mine test holes

Holes will range in size from 350 feet to 1,143 feet deep

A company looking to open a massive iron mine in far northwestern Wisconsin says its test holes will range from a few hundred feet to a quarter-mile deep.

DNR approves exploratory mining permit

Gogebic Taconite wants to dig a four-mile long mine

The state Department of Natural Resources has approved an exploratory drilling permit for a company looking to open a giant iron mine in northwestern Wisconsin.