National Historic Landmark

Toolesboro Mound Group

Toolesboro, Louisa County, Iowa
Listed
October 14, 1966
Type
Site
Period
Pre Contact
Ref No.
66000337

About this property

The Toolesboro Mound Group, a National Historic Landmark, is a group of Havana Hopewell culture earthworks on the north bank of the Iowa River near its discharge into the Mississippi. The mounds are owned and displayed to the public by the State Historical Society of Iowa. The mound group is located east of Wapello, Iowa, near the unincorporated community of Toolesboro. The mouth of the Iowa River was a superb location for people skilled in hunting and the gathering of food. Wild plants living in the rich alluvial soil of the two rivers could be supplemented with fish, shellfish, and waterfowl. The Hopewell culture was a Native American celebration of the economic surplus, in food and other goods, created by harvesting the natural wealth of the American Midwest. Native Americans, in the Hopewell period, buried their dead in earthen mounds, accompanied by grave goods that displayed their status and possibly their religious and social leadership. Grave goods discovered in Hopewell mounds include copper from Lake Superior, sea shells from the Gulf of Mexico, mica from the Appalachian Mountains, and obsidian from the region of what is now Yellowstone National Park. It is believed that the Hopewell Interaction Sphere had extensive trading relationships that enabled them to transfer large quantities of high-status goods across wide sections of the North American continent. The Hopewell of the Toolesboro area would have been able to export blades cut from local flint. Local freshwater pearls were another highly prized item, exported and distributed over a wide area. The surviving mounds of the Toolesboro Mound Group were built by the Havana Hopewell culture sometime between 200 BCE and 100 CE. The status of the people buried in the mounds indicates that the mounds were raised by people working within an organized community with an established social hierarchy. It is believed that there is likely to have been a Hopewell village located nearby, but as of December 2006 the location of this village had not yet been identified. Archeologists conjecture that the Iowa River, shifting its course frequently during the following two millennia and spreading alluvial silt over its path, may have flooded or buried the site. Since the original construction, other groups of people have been associated with the site. Close by is an earth work referred to as "the old fort" that was considered to be a part of the Toolesboro Hopewellian mound group. It is considered possible that this was actually constructed about a thousand years later by a different Native American group, the Oneota. To support this, there are two other sites in close vicinity, McKinney and Poison Ivy, that are both Oneota sites.

Location

Toolesboro, Louisa County, Iowa

Categories

PREHISTORIC
Sources

Property data from the National Register of Historic Places, National Park Service (public domain).

Description adapted from Wikipedia under the Creative Commons Attribution-ShareAlike 4.0 International License.

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Overview
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The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
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Finds & Access
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Literature
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Spotlight
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Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
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Questions about this property

When was Toolesboro Mound Group listed on the National Register?

Toolesboro Mound Group was listed on the National Register of Historic Places on October 14, 1966.

What type of historic resource is Toolesboro Mound Group?

Toolesboro Mound Group is classified as a site in the National Register of Historic Places.

Is Toolesboro Mound Group a National Historic Landmark?

Yes. Toolesboro Mound Group has been designated a National Historic Landmark (NHL), the highest level of federal recognition for historic properties in the United States.

What is the period of significance for Toolesboro Mound Group?

The period of significance for Toolesboro Mound Group is recorded as the pre_contact era.

Can I research the history near Toolesboro Mound Group?

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