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The Piketon Mounds (also called Graded Way) are a group of
earthworks Earthworks may refer to: Construction *Earthworks (archaeology), human-made constructions that modify the land contour * Earthworks (engineering), civil engineering works created by moving or processing quantities of soil *Earthworks (military), m ...
located in Piketon,
Ohio Ohio () is a state in the Midwestern region of the United States. Of the fifty U.S. states, it is the 34th-largest by area, and with a population of nearly 11.8 million, is the seventh-most populous and tenth-most densely populated. The sta ...
in the United States. The site is listed on the
National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic v ...
. The specific age of the site is unknown. Some mounds were created by the Adena culture, while other mounds were built by the Hopewell culture.


Location

The site is located in
Piketon, Ohio Piketon is a village in Pike County in the U.S. state of Ohio, along the Scioto River. The village is best known for the uranium enrichment plant located there, which is one of only three such plants in the United States. The population was 2,11 ...
. As of 1848, the Chillicothe Turnpike traveled through the site and a
cemetery A cemetery, burial ground, gravesite or graveyard is a place where the remains of dead people are buried or otherwise interred. The word ''cemetery'' (from Greek , "sleeping place") implies that the land is specifically designated as a buri ...
was built upon the remains of a collection of mounds. The cemetery, named Mound Cemetery, as pictured to the right, remains in place today.


Survey history


Squier and Davis: 1840s

The site was featured in the 1848 publication, '' Ancient Monuments of the Mississippi Valley'' by Ephraim George Squier and Edwin Hamilton Davis. The two men visited the site. They call the side the Graded Way. They describe the graded way as being a type of earthwork seen "at various points at the West," including at earthworks in
Richmond Dale, Ohio Richmond Dale (sometimes Richmondale) is a census-designated place in central Jefferson Township, Ross County, Ohio, Jefferson Township, Ross County, Ohio, United States. It has a post office with the ZIP code 45673. It is located along U.S. Rou ...
and an additional site in Piketon. They also suggest that they are similar to earthworks found in
Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...
. They state that grading ways are often seen "ascending sometimes from one terrace to another, and occasionally descending towards the banks of
river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...
s or water-courses." The graded way is noted as being 1,080 feet long, 215 feet wide in one section and 203 feet wide in another. They describe the site as having a graded ascent from a second
terrace Terrace may refer to: Landforms and construction * Fluvial terrace, a natural, flat surface that borders and lies above the floodplain of a stream or river * Terrace, a street suffix * Terrace, the portion of a lot between the public sidewalk a ...
to a third terrace. The third terrace is 17 feet above the second. Various embankments were seen throughout the earthwork, ranging from 5 to eleven feet in height. At the 203 foot wide section of the grade, "the walls upon the interior sides measure no less than ''twenty-two'' feet in
perpendicular In elementary geometry, two geometric objects are perpendicular if they intersect at a right angle (90 degrees or π/2 radians). The condition of perpendicularity may be represented graphically using the ''perpendicular symbol'', ⟂. It can ...
height." As of 1848, trees and bushes were covering the works, and Squier and Davis suggest that passerby would most likely see the site as just hills, not a man-made installation. A small embankment extended off of the right side of the graded way totaling 2,580 feet long. As of 1848, much of it was destroyed by the Chillicothe Turnpike. A wall was built, 1500 feet from the grade. It was built at a
right angle In geometry and trigonometry, a right angle is an angle of exactly 90 Degree (angle), degrees or radians corresponding to a quarter turn (geometry), turn. If a Line (mathematics)#Ray, ray is placed so that its endpoint is on a line and the ad ...
and travel 212 feet. At that point, the line followed parallel to the main grade for 420 feet. It then curved in towards the grade and ended at a site of four mounds - three small and one large. Squier and Davis note that the small mounds were a cemetery at their time of visitation, a cemetery which remains there today. The large mound totaled 30 feet high. There were other small mounds and no more major mounds in the vicinity. On the left side of the graded way leads to the second terrace, which ends to a low area in the ground which is often filled with water. Squier and Davis cite that in the past it is believed that the Scioto River had passed through the area near the terrace. Based on their observations, Squier and Davis theorize about the use of the site as possibly a way to get from one
terrace Terrace may refer to: Landforms and construction * Fluvial terrace, a natural, flat surface that borders and lies above the floodplain of a stream or river * Terrace, a street suffix * Terrace, the portion of a lot between the public sidewalk a ...
to the next. However, the embankments caused them to question that theory. In their report, they do not provide a set theory on what the site was used for.


Today

The site features four
mound A mound is a heaped pile of earth, gravel, sand, rocks, or debris. Most commonly, mounds are earthen formations such as hills and mountains, particularly if they appear artificial. A mound may be any rounded area of topographically higher el ...
s which are located in a cemetery. Three of the mounds rise in size from two feet high to five feet high. The largest mound is 75 feet in diameter and 25 feet high. On previous excavations, one of the mounds was reported of housing a
human skeleton The human skeleton is the internal framework of the human body. It is composed of around 270 bones at birth – this total decreases to around 206 bones by adulthood after some bones get fused together. The bone mass in the skeleton makes up a ...
of a girl wrapped in
bark Bark may refer to: * Bark (botany), an outer layer of a woody plant such as a tree or stick * Bark (sound), a vocalization of some animals (which is commonly the dog) Places * Bark, Germany * Bark, Warmian-Masurian Voivodeship, Poland Arts, ...
. The graded way remains, creating what the Ohio Historical Society describes as "a natural drainage channel,". The mounds are classic of Adena culture and the graded way is more known as being created by the Hopewell culture. This makes it hard to calculate a set date for the works.


References

{{National Register of Historic Places 1848 archaeological discoveries Archaeological sites on the National Register of Historic Places in Ohio Protected areas of Pike County, Ohio National Register of Historic Places in Pike County, Ohio Ohio Hopewell Adena culture Mounds in Ohio