HEARTLAND EARTHWORKS CONSERVANCY

HILLSBORO, OH

Serpent mound by Ohio's ancients This winding mound in southcentral Ohio is the largest serpent effigy in the world. It is thought to be created by the Adena people in 300 BC. However, that is debated. <a href="https://en.wikipedia.org/wiki/Serpent_Mound" rel="noreferrer nofollow">Wikipedia says this</a>:

&quot;Throughout the twentieth century, archaeologists had disputed which culture and people had created the Serpent Mound...In 2018 archaeologist Brad Lepper published a response questioning the attribution of construction to the Adena culture [e.g. pointing out that Adena people did not build mound effigies of animals and of flaws in the dating*]....Monaghan and Hermann determined that the mound was built around 2,100–2,300 years ago (300-100 BCE) during the Adena period. It was subsequently rebuilt (or repaired) about 900 years ago (1100 CE) during the Fort Ancient period.&quot;

*note summary by me — Serpent mound by Ohio's ancients Credit: sniggie

Heartland Earthworks Conservancy is a non-profit organization located in Hillsboro, Ohio. The organization was founded in 2009 with the aim of preserving and protecting the ancient earthworks of the Hopewell culture in the Ohio Valley. The Hopewell culture is known for their impressive earthworks that were built between 200 BC and 500 AD.

The conservancy manages over 800 acres of land that contains several significant earthwork sites, including the Seip Mound and the Hopewell Mound Group. The Seip Mound is the third-largest burial mound in Ohio and is believed to have been built around 2,000 years ago. The Hopewell Mound Group contains several mounds and enclosures that were likely used for ceremonial purposes.

The Heartland Earthworks Conservancy is dedicated to preserving these sites for future generations to appreciate and learn from. They offer educational programs and tours for the public to learn about the history and significance of these ancient earthworks. The organization also works to promote responsible land use practices and to protect the natural resources in the areas surrounding the earthworks.

HEARTLAND EARTHWORKS CONSERVANCY is a Historical Societies, Historic Preservation in HILLSBORO OH. US MID #8403900471

The museum is classed as HSC (Historical Societies, Historic Preservation). It comes under American Alliance of Museums (AAM) region: Midwest (Iowa, Illinois, Indiana, Michigan, Minnesota, Missouri, Ohio, Wisconsin).

Ancient Seip mound, Hopewell Nat'l Historical Park The <a href="https://www.nps.gov/hocu/learn/historyculture/seip-earthworks.htm" rel="noreferrer nofollow">U.S. national park website</a> describes this archeological site near Chillicothe, Ohio as follows:

&quot;Between 1 - 400 A.D., southern Ohio witnessed an extraordinary blossoming of cultural development. Even though they did not live in villages or practice large-scale agriculture, indigenous people of the Hopewell Culture made amazing advances in the fields of mathematics, engineering, art, trade and astronomy. However, why they built so many enormous ceremonial complexes in this area remains a mystery. There is no evidence that people lived within these earthworks. Rather, these huge architectural wonders appear to have been designed for large ritual gatherings. The timing of these special ceremonies was perhaps determined by astronomical cycles. Pilgrimages may have been made to these sacred enclosures by celebrants from far away.&quot;

It continues, &quot;It is clear that complexes like the Seip Earthworks were not the result of a haphazard heaping of earth. The geometric shapes are precise in their symmetry. In fact, the design and dimensions of Seip Earthworks are so similar to four other complexes around the Chillicothe area that they all must have been the result of engineering plans produced by the same group of people. Baum, Frankfort, Works East, Liberty and Seip Earthworks are all comprised of a small circle, a large circle and a square. When early American archeologists Ephraim Squier and Edwin Davis mapped and measured these five earthwork complexes in the 1840’s, each square was the same size: 1,080 feet to a side, 27 acres. This impressive feat suggests that the Hopewell people had a common unit of measure 2,000 years ago. Also, the dimensions of the three shapes indicate that the Hopewell even understood mathematical relationships between circles and squares.&quot;

Contact HEARTLAND EARTHWORKS CONSERVANCY

HEARTLAND EARTHWORKS CONSERVANCY
6636 STATE ROUTE 753
HILLSBORO
OH
45133-9324

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HEARTLAND EARTHWORKS CONSERVANCY Information

MID #	8403900471
Name	HEARTLAND EARTHWORKS CONSERVANCY
Alternate Name
Classification	Historical Societies, Historic Preservation, , Midwest
Federal Employer Identification Number (EIN)	273703890
NTEECC	A82
Tax period of the latest return filed (YYYYMM)	201212
INCOME	0
REVENUE	0
LAT/LONG	39.181231, -83.476413
CODES	FIPS State Code: 39 FIPS County Code: 071 US Census Tract: 955000 US Census Block: 3011