922.190—Boundary.
The Thunder Bay National Marine Sanctuary and Underwater Preserve (Sanctuary) consists of an area of approximately 448 square miles (1169 square kilometers) of waters of Lake Huron and the submerged lands thereunder, over, around, and under the underwater cultural resources in Thunder Bay. The boundary forms an approximately rectangular area by extending along the ordinary high water mark between the northern and southern boundaries of Alpena County, cutting across the mouths of rivers and streams, and lakeward from those points along latitude lines to longitude 83 degrees west. The coordinates of the boundary are set forth in appendix A to this Subpart.