The Riverton Site is located in or near the city of Palestine

Palestine, Illinois

Palestine is a village in Crawford County, Illinois, United States. The population was 1,366 at the 2000 census.-Geography:Palestine is located at ....

, Crawford County, in the U.S. state of Illinois

Illinois

Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

. The site, which has Woodland period

Woodland period

The Woodland period of North American pre-Columbian cultures was from roughly 1000 BCE to 1000 CE in the eastern part of North America. The term "Woodland Period" was introduced in the 1930s as a generic header for prehistoric sites falling between the Archaic hunter-gatherers and the...

 archaeological significance, is listed on the U.S. National Register of Historic Places

National Register of Historic Places

The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...

, a list it joined in March 2004. Five of Crawford County's seven Registered Historic Places are found in Palestine. Of those seven, three are archaeological sites, including the Swan Island Site

Swan Island Site

The Swan Island Site is located in or near the city of Palestine, Crawford County, in the U.S. state of Illinois. The site, which has Archaic period archaeological significance, is listed on the U.S. National Register of Historic Places, a list it joined in March 2004. Five of Crawford County's...

 and the Stoner Site

Stoner Site

The Stoner Site is located in or near the city of Robinson, Crawford County, in the U.S. state of Illinois. The site, which has Woodland period archaeological significance, is listed on the U.S. National Register of Historic Places, a list it joined in March 2004. Five of Crawford County's seven...

.