Folkert Mound Group


Folkert Mound Group
U.S. National Register of Historic Places
Simple outline of the mound group, linears/compounds in green, conicals in orange, cruciform in red.
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Location	near Steamboat Rock, Iowa
Area	4.5 acres (1.8 ha)
Architectural style	Mound Group
NRHP Reference #	09000126^[1]
Added to NRHP	March 17, 2009

Main article: Iowa archaeology

The Folkert Mound Group of Hardin County, Iowa is a collection of 27 prehistoric mounds on the bluffs above the Iowa River, in a variety of shapes, including linear, compound, conical, and an enigmatic cruciform mound. The earliest map of the mounds was made by John Hotopp in 1974,^[2] and the mound group was mapped in detail in 2006.^[3] The alignment of the cruciform mound is especially interesting to researchers.^[4] Horton^[5] felt the cruciform mound aligned with the 11th century Crab Nebula supernova. However Lensink^[6] felt there was little evidence of this possible alignment. An apparent alignment of the largest conical mound, A, in the south with the end peaks of the cruciform mound, X, and an alignment between Mound X and the end of longest mound, T, has been postulated, but the meaning of these alignments is unknown.^[7]

References

↑ National Park Service (2010-07-09). "National Register Information System". National Register of Historic Places. National Park Service.
↑ Hotopp map of 13HA30, 1974, on file, Office of the State Archaeologist, Iowa City.
↑ Collins and Whittaker (2007) Digital Mapping and Ground-Penetrating Radar Survey of the Folkert Mound Group (13HA30), Hardin County, Iowa. Contract Completion Report 1395. Office of the State Archaeologist, University of Iowa, Iowa City.
↑ Collins and Whittaker (2007) Folkert Mound Group Revealed: Restoration and Non-Destructive Mapping of Hardin County Mounds. Newsletter of the Iowa Archaeological Society 57(1):10, http://www.uiowa.edu/~osa/IAS/central/Spring2007.pdf
↑ Horton (2007) A Star Explodes! A.D. 1054: Did Prehistoric Native Iowans Witness and Record this Titanic Stellar Event? Newsletter of the Iowa Archaeological Society 57(3):1-2.
↑ Lensink (2007) Newsletter of the Iowa Archaeological Society 57(3):2.
↑ Collins and Whittaker (2009) Alignments at the Folkert Mound Group. Newsletter of the Iowa Archaeological Society 59(1):1-2

U.S. National Register of Historic Places

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Portal WikiProject

National Register of Historic Places in Hardin County, Iowa

Ackley	Illinois Central Combination Depot-Ackley

Alden	Alden Bridge Alden Public Library

Eldora	Civilian Conservation Corps-Prisoner of War Recreation Hall Eldora Downtown Historic District Eldora Public Library First Congregational Church Hardin County Courthouse Hardin County Home Historic District

Iowa Falls	Carnegie-Ellsworth Public Library Edgewood School of Domestic Arts Ellsworth-Jones Building Estes Park Band Shell First National Bank Iowa Falls Bridge Iowa Falls Union Depot Glenn and Nell Kurtz Lustron Home and Garage McClanahan Block Metropolitan Opera House Mills Tower Historic District Princess Sweet Shop River Street Bridge St. Matthew's by the Bridge Episcopal Church Sentinel Block Slayton Farms-Round Barn Union Cemetery Gardener's Cottage U.S. Post Office-Iowa Falls W.R.C. Hall Washington Avenue Bridge Washington Avenue Commercial Historic District

New Providence	Honey Creek Friends' Meetinghouse New Providence Building Association Stores New Providence School Gymnasium

Steamboat Rock	Folkert Mound Group Steamboat Rock Consolidated Schools Building

See also: National Register of Historic Places listings in Hardin County, Iowa and List of National Historic Landmarks in Iowa

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