- There isn’t a single entry for the entire Whetstone River. The start of the river after the confluence of the north and south forks can be found here: https://www.openstreetmap.org/way/54710026. From there you can query features upstream or downstream to reach your desired area (zoom into the map and right-click to select Query features). The Query features is disabled, zoom in closer.
- Mendota, Minnesota (Wikipedia)
Mendota (/mɛnˈdoʊtə/ men-DOH-tə) is a city in Dakota County, Minnesota, United States. The name is a mispronunciation of the Dakota word for the location, bdóte, which in Dakota tradition is the center of the world. The word in this use means “the confluence of the Minnesota and Mississippi Rivers,” and generally “mouth or junction of one river with another.” The population was 198 at the 2010 census.
- Whetstone River (Wikipedia)
The Whetstone River is a 12.7-mile-long (20.4 km) tributary of the Minnesota River, in northeastern South Dakota and a very small portion of western Minnesota in the United States. Via the Minnesota River, it is part of the watershed of the Mississippi River.