Cramer Tunnel connected LTV Steel’s taconite mine and concentrator with its ore dock at Taconite Harbor. It served from 1957 to 2001, when LTV declared bankruptcy for the last time.

Cramer Tunnel connected LTV Steel’s taconite mine and concentrator with its ore dock at Taconite Harbor. It served from 1957 to 2001, when LTV declared bankruptcy for the last time.