White Rock, Michigan
| White Rock, Michigan | |
|---|---|
| unincorporated community | |
 White Rock, Michigan
|
|
| Coordinates: 43°42′35″N 82°36′31″W / 43.70972°N 82.60861°WCoordinates: 43°42′35″N 82°36′31″W / 43.70972°N 82.60861°W | |
| Country | United States |
| State | Michigan |
| County | Huron |
| County | Sherman Township |
| Government | |
| • Type | none |
| Area | |
| • Total | 44.2 sq mi (114.4 km2) |
| • Land | 44.1 sq mi (114.3 km2) |
| • Water | 0.0 sq mi (0.0 km2) |
| Elevation | 722 ft (220 m) |
| Time zone | Eastern (EST) (UTC-5) |
| • Summer (DST) | EDT (UTC-4) |
| FIPS code | 26-73160 |
| GNIS feature ID | 1616331 |
White Rock is a tiny unincorporated community of Sherman Township at the southeast corner of Huron County in the U.S. state of Michigan. The community is at the mouth of White Rock Creek on the shore of Lake Huron. The community is at 43°42′35″N 82°36′31″W / 43.70972°N 82.60861°W, about three miles north of Forestville and about nine miles south of Harbor Beach on M-25 at the junction with White Rock Road.
The community is named for a large white boulder offshore in Lake Huron at 43°43′09″N 82°36′16″W / 43.71917°N 82.60444°W that was used as a boundary marker to define the territory ceded by Ottawa, Chippewa, Wyandot, and Potawatomi with the Treaty of Detroit in 1807. The boundary definition in the treaty began with the "mouth of the Miami river of the lakes" or what is now known as the Maumee River at Toledo, Ohio. From there the boundary ran up the middle of the river to the mouth of the Auglaize River at what is now Defiance, Ohio, then due north until it intersected a parallel of latitude at the outlet of Lake Huron into the St. Clair River. This north-south line would become the Michigan Meridian used in surveying of Michigan lands. The intersecting parallel of latitude crossed the meridian at the northeast corner of what is now Sciota Township in Shiawassee County in the middle of the border with Clinton County. From this point the treaty boundary ran northeast to White Rock in Lake Huron, then due east to the international boundary with what was then Upper Canada, and then along the international boundary through the St. Clair River, Lake St. Clair, the Detroit River and then into Lake Erie to a point due east of the mouth of the Maumee River, and finally west back to the point of beginning.
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