The Big Basin
The Big Basin is a geological feature known as a sinkhole or "sink," about a mile in diameter and more than a hundred feet deep. Although it has the appearance of a valley, it is entirely surrounded by higher ground. Like several other smaller sinks in this section of Kansas, Big Basin was formed thousands of years ago by dissolving and collapse of massive gypsum and salt formations lying several hundred feet below the surface.
Source:  Kansas State Historical Society, http://www.kshs.org/tourists/markers.htm
- Storytrax's Stories
- Login or register to post comments