Editing Timber circle (section)

===Hopewell timber circles===
{{main|Moorehead Circle|Stubbs Earthworks}}
Other examples have been found at [[Hopewell culture]] sites in Ohio. [[Moorehead Circle]] was constructed about two millennia ago at the [[Fort Ancient (Lebanon, Ohio)|Fort Ancient Earthworks]]. It was discovered in 2005 by Jarrod Burks during magnetic surveys at the large hilltop enclosure near [[Lebanon, Ohio]].<ref>{{cite thesis| title= Ohio Hopewell Ceremonial Bladelet Use at the Moorehead Circle, Fort Ancient | author= Miller, Gregory L. | url= http://etd.ohiolink.edu/send-pdf.cgi/Miller%20Gregory%20Logan.pdf?osu1275003441 | format= Masters| publisher= [[Ohio State University]] | year= 2010}}</ref> The site consists of three concentric circles; with the outer circle being about {{convert|60|m|ft}} in diameter.<ref>{{Cite web|url=http://www.nps.gov/hocu/planyourvisit/upload/Lecture%20Series%202008.pdf|title= The Robert L. Harness Lecture Series on Ohio Archeology Summer Lecture Series 2008|access-date =2017-12-19}}</ref> Robert Riordan, Professor of Archaeology at [[Wright State University]] and lead archaeologist investigating the site, estimates that about two hundred wooden {{convert|10|ft|m}} to {{convert|15|ft|m}} tall posts were set in the outer circle. According to radiocarbon dates performed on charcoal found at the site, it was built between 40 BCE and 130 CE, with other charcoal fragments from burnt posts dating to 250 to 420 CE, suggesting the circle was in use for several centuries.<ref name=LEPPER>{{Cite web| last= Lepper| first= Bradley T. | date=2007-05-01| url= http://lostworlds.org/woodhenge-at-fort-ancient-raises-interest-in-ritual-past/ | title= 'Woodhenge' at Fort Ancient raises interest in ritual past | access-date= 2017-12-20 }}</ref>

In September 2005 archaeologist Frank Cowan conducted excavations at the smaller circular enclosure at the [[Stubbs Earthworks]] in [[Warren County, Ohio]]; discovering a timber circle {{convert|240|ft|m}} in diameter and composed of 172 large posts. Carbon dating of charcoal found in post molds at the site have dated the structure to 200-300 CE.<ref name=COWAN>{{cite book| author= Cowan, Frank| chapter = Stubbs Earthworks : An Ohio Hopewell "Woodhenge" |editor = Lepper, Bradley T. |title= Ohio Archaeology : An illustrated chronicle of Ohio's Ancient American Indian Cultures |year= 2005 |publisher= [[Orange Frazer Press]] | location = [[Wilmington, Ohio]] | pages= 148–151 | isbn= 978-1882203390 }}</ref>