94-foot tug goes aground in Lake Superior storm

The gales of November can be vicious on Lake Superior, but sudden storms of December can be just as bad or worse, a tugboat crew has learned. The crew of the Zenith Tugboat Co. of Duluth, Minn., was towing the company’s vintage tug, the Seneca, in the southeastern end of the lake when the relatively mild weather suddenly changed the evening of Dec. 3.