Coufal site

Coufal site (25HW6) is an archaeological site in the U.S. state of Nebraska. It was declared a National Historic Landmark in 1964. 
Located northwest of Cotesfield, the site is that of a large precontact Native American village dating to about 1100 CE, in the Central Plains tradition, believed to be intermediate between the Nebraska culture and the Upper Republican culture. The site includes at least 22 earth lodge sites.