- 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.
- Voyager Golden Record (Wikipedia)
The Voyager Golden Records are two identical phonograph records one of each which were included aboard the two Voyager spacecraft launched in 1977. The records contain sounds and images selected to portray the diversity of life and culture on Earth, and are intended for any intelligent extraterrestrial life form who may find them. The records are a time capsule.
- 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.