Bass Islands / North Channel / Grand Traverse Bay / Keweenaw Bay / Keweenaw Peninsula / Lake Superior / Upper Peninsula / Detroit River / Niagara Falls / Manitoulin Island / Mackinac Island / Lake Erie / Great Lakes / Lake Michigan / Lower Peninsula / Upper Lakes / Lake Huron / Georgian Bay / Clair River / Lake St. Clair / Main Channel / /
Organization
United States Army / Duluth Seaway Port Authority / /
Person
Arvid Morken / /
Position
author / Captain / mining company executive / representative / Head / engineer / /