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Golden Eagle-Toppmeyer Site

Archaeological sites on the National Register of Historic Places in IllinoisGeography of Calhoun County, IllinoisHavana Hopewell cultureMetro-East geography stubsMounds in Illinois
National Register of Historic Places in Calhoun County, IllinoisSouthern Illinois Registered Historic Place stubsUse mdy dates from August 2023Woodland period
Toppmeyer Site
Toppmeyer Site

The Golden Eagle-Toppmeyer Site is a pre-Columbian archaeological site located near the confluence of the Illinois and Mississippi Rivers in Calhoun County, Illinois. The site is associated with the Havana Hopewell culture and has two main components: the Golden Eagle earthwork and the Toppmeyer habitation site. The earthwork, which dates from the Middle Woodland period (150 BC - 450 AD), is the only geometric earthwork from the period in the central Mississippi River valley. Two mounds are incorporated in the rounded earthwork; one is located at the center, and one is located at a gap which has been called the "entrance" to the earthwork. The Toppmeyer habitation site, which overlaps the western edge of the earthwork, dates from the Late Woodland period (750 AD). The overall site was likely a regional transaction center at which extensive trade and cultural exchange among Hopewell people in the Illinois River valley took place. The site was added to the National Register of Historic Places on June 14, 1979.

Excerpt from the Wikipedia article Golden Eagle-Toppmeyer Site (License: CC BY-SA 3.0, Authors, Images).

Golden Eagle-Toppmeyer Site
Quarry Road,

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N 38.915277777778 ° E -90.520277777778 °
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Golden Eagle-Toppmeyer Site

Quarry Road

Illinois, United States
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Toppmeyer Site
Toppmeyer Site
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Illinois River
Illinois River

The Illinois River (Miami-Illinois: Inoka Siipiiwi) is a principal tributary of the Mississippi River at approximately 273 miles (439 km) in length. Located in the U.S. state of Illinois, the river has a drainage basin of 28,756.6 square miles (74,479 km2). The Illinois River begins with the confluence of the Des Plaines and Kankakee rivers in the Chicago metropolitan area, and it generally flows to the southwest across Illinois, until it empties into the Mississippi near Grafton, Illinois. Its drainage basin extends into southeastern Wisconsin, northwestern Indiana, and a very small area of southwestern Michigan in addition to central Illinois. Along its banks are several river ports, including the largest, Peoria, Illinois. Historic and recreation areas on the river include Starved Rock, and the internationally important wetlands of the Emiquon Complex and Dixon Waterfowl Refuge. The river was important among Native Americans and early French traders as the principal water route connecting the Great Lakes with the Mississippi. The French colonial settlements along these rivers formed the heart of the area known as the Illinois Country in the 17th and 18th centuries. After the construction of the Illinois and Michigan Canal and the Hennepin Canal in the 19th century, the role of the river as link between Lake Michigan and the Mississippi was extended into the era of modern industrial shipping. The Illinois now forms the basis for the Illinois Waterway, extending the river's capabilities for navigation and commercial shipping.