google-site-verification: google1c6a56b8b78b1d8d.html Adena Hopewell Mound Builders in the Ohio Valley: great miami river
Showing posts with label great miami river. Show all posts
Showing posts with label great miami river. Show all posts

Tuesday, November 8, 2011

Adena Hopewell Earthwork in Miami County, Ohio Overlooked the Circular Earthworks at Piqua, Ohio

Adena Hopewell Earthwork in Miami County, Ohio Overlooked the Circular Earthworks at Piqua, Ohio








    The enclosure here represented is situated on the left bank of the Great Miami river, two and a half miles above the town of Piqua, Miami county, Ohio, upon the farm of Col. John Johnston, a prominent actor in the early history of Ohio. It occupies the third terrace, which here forms a bluff peninsula, bounded on three sides by streams. The banks of the terrace vary from fifty to seventy-live feet in height. The embankment is carried along the boundaries of the peninsula, enclosing an oval-shaped area of about eighteen acres. It is composed of earth intermixed with large quantities of stone, and is unaccompanied by a ditch. The stones that enter into the composition of the rampart are water-worn, and must have been brought from the bed of the river; which, according to Dr. Drake, for two miles opposite this work, does not at present afford a stone of ten pounds weight. A mound, five feet high and surrounded by a ditch, occurs within the work. There is also another, exterior to the walls, upon the second terrace, towards the river. This is classed as a defensive work, for very obvious reasons
Below this entrenchment, and on the present site of the town of Piqua, a group of works formerly existed, consisting of circles, ellipses, etc. These have been described at length, by Major Long.There are also various small works on the opposite bank of the Miami. Indeed, the whole valley is here covered with traces of a former dense population.

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Ohio Mounds: Hilltop Enclosure in Butler County, Ohio

Adena Hopewell Hilltop Enclosure Icwerlooking the Great Miami River in Butler County, Ohio



     This fine work is situated in Butler county, Ohio, on the west side of the Great Miami river, three miles below the town of Hamilton. The plan is from a survey by James McBride, Esq., and the description is made up from his notes. The hill, the summit of which it occupies, is about a half mile distant from the present bed of the river, and is not far from two hundred and fifty feet high, being considerably more elevated than any other in the vicinity. It is surrounded at all points, except a narrow space at the north, by deep ravines, presenting steep and almost inaccessible declivities. The descent towards the north is gradual; and from that direction, the hill is easy of access. It is covered with a primitive forest of oak, hickory, and locust, of the same character with the surrounding forests.


      Skirting the brow of the hill, and generally conforming to its outline, is a wall of mingled earth and stone, having an average height of five feet by thirty-five feet base. It has no accompanying ditch; the earth composing it, which is a stiff clay, having been for the most part taken up from the surface, without leaving any marked excavation. There are a number of "dug holes," however, at various points, from which it is evident a portion of the material was obtained. The wall is interrupted by four gateways or passages, each twenty feet wide; one opening to the north, on the approach above mentioned, and the others occurring where the spurs of the hill are cut off by the parapet, and where the declivity is least abrupt. They are all, with one exception, protected by inner lines of embankment, of a most singular and intricate description. These are accurately delineated in the plan, which will best explain their character. It will be observed that the northern gateway, in addition to its inner maze of walls, has an exterior work of a crescent shape, the ends of which approach to within a few feet of the brow of the hill.
    The excavations are uniformly near the gateways, or within the lines covering them. None of them are more than sixty feet over, nor have they any considerable depth. Nevertheless, they all, with the exception of the one nearest to gateway S, contain water for the greater portion, if not the whole of the year. A pole may be thrust eight or ten feet into the soft mud, at the bottom of those at E.
At  and W, terminating the parapet, are two mounds, each eight feet high, composed of stones thrown loosely together. Thirty rods distant from gateway N, and exterior to the work, is a mound ten feet high, on which trees of the largest size are growing. It was partially excavated a number of years ago, and a quantity of stones taken out, all of which seemed to have undergone the action of fire. The ground in the interior of this work gradually rises, as indicated in the section, to the height of twenty-six feet above the base of the wall, and overlooks the entire adjacent country.
In the vicinity of this work, are a number of others occupying the valley; no less than six of large size occur within a distance of six miles down the river.This work is marked A on the map.]
The character of this structure is too obvious to admit of doubt. The position which it occupies is naturally strong, and no mean degree of skill is employed in its artificial defences. Every avenue is strongly guarded. The principal approach, the only point easy of access, or capable of successful assault, is rendered doubly secure. A mound, used perhaps as an alarm post, is placed at about one-fourth of the distance down the ascent; a crescent wall crosses the isthmus, leaving but narrow passages between its ends and the steeps on either hand. Next comes the principal wall of the enclosure. In event of an attack, even though both these defences were carried, there still remains a series of walls so complicated as inevitably to distract and bewilder the assailants, thus giving a marked advantage to the defenders. This advantage may have been much greater than we, in our ignorance of the military system of this ancient people, can understand. But, from the manifest judgment with which their defensive positions were chosen, as well as from the character of their entrenchments, so far as we comprehend them, it is safe to conclude that all parts of this work were the best calculated to secure the objects proposed by the builders, under the modes of attack and defence then practised.
    The coincidences between the guarded entrances of this and similar works throughout the West, and those of the Mexican defences, is singularly striking. The wall on the eastern side of the Tlascalan territories, mentioned by Cortez and Bernal Diaz, was six miles long, having a single entrance thirty feet wide, which was formed in the manner represented in the supplementary plan A. The ends of the wall overlapped each other, in the form of semicircles, having a common centre

Monday, November 7, 2011

Maps of Bural of Adena Hopewell Burial Mounds Earthworks at Chillicothe, Ohio, Paint Creek and the Great Miami River

 Maps of Adena Hopewell Earthworks at Chillicothe, Ohio, Paint Creek and the Great Miami River



Earthworks found around Chillicothe, Ohio.  None of the earthworks were preserved, with the few that did survive until the 20th century being destroyed by the Ohio Historical Society.  Map from Ancient Monuments of the Mississippi Valley, 1848.
Chillicothe, Ohio (Ross County) Mounds and Earthworks Map
      Exhibiting a section of twelve miles of the Scioto valley, with its ancient monuments, will serve to give some general conception of the number of these remains. The enclosures are here indicated by dark lines, the mounds by simple dots. Within the section represented, it will be observed that there are not less than ten groups of large works, accompanied by a great number of mounds, of various sizes. Within the enclosure designated by the letter E are embraced twenty-four mounds. The enclosures D, H, I, K, have each about two and a half miles of embankment; and Hand K enclose but little less than one hundred acres each. It is proper to observe, to prevent misconception, that there are few sections of country of equal extent which embrace so large a number of ancient works. The fertile valley of the Scioto river was a favorite resort of the ancient people, and was one of the seats of their densest population. 




Earthworks located west of Chilliocthe, Ohio along Pant Creek.  Spuce Hill and the Seip mound and earthwork can still be explored.

Valley of Paint Creek Earthworks Map

    Enlarged planPLATE III, No. 1, exhibits a section of six miles of the Valley of Paint Creek, a tributary of the Scioto river. The village of Bourneville is ten miles west of Chillicothe. Within this limit are embraced three works of extraordinary size, besides several smaller ones. The works, designated by the letters A and B, have each upwards of two miles of heavy embankment, and contain not far from one hundred acres. The stone work C has an area of one hundred and forty acres, enclosed within a wall upwards of two and a fourth miles long


The Great Miami Valley Earthwork Map

PLATE III, No. 2, presents a section of six miles of the Great Miami valley, included principally within the limits of Butler county, Ohio. Not less than seven enclosures, of considerable size, occur within these bounds. The work indicated by the letter G contains ninety-five acres. 
Not far from one hundred enclosures of various sizes, and five hundred mounds, are found in Ross county, Ohio. The number of tumuli in the State may be safely estimated at ten thousand, and the number of enclosures at one thousand or fifteen hundred. Many of them are small, but cannot be omitted in an enumeration. They are scarcely less numerous on the Kenhawas in Virginia, than on the Scioto and Miamis; and are abundant on the White river and Wabash, as also upon the Kentucky, Cumberland, Tennessee, and the numerous other tributaries of the Ohio and Mississippi.
Nor is their magnitude less a matter of remark than their great number. Lines of embankment, varying in height from five to thirty feet, and enclosing areas of from one to fifty acres, are common; while enclosures of one or two hundred acres area are far from infrequent. Occasional works are found enclosing as many as four hundred acres The magnitude of the area enclosed is not, however, always a correct index of the amount of labor expended in the erection of these works. A fortified hill in Highland county, Ohio, has one mile and five-eighths of heavy embankment; yet it encloses an area of only about forty acres. A similar work on the Little Miami river, in Warren county, Ohio, has upwards of four miles of embankment, yet encloses little more than one hundred acres. The group of works at the mouth of the Scioto river has an aggregate of at least twenty miles of embankment; yet the entire amount of land embraced within the walls does not probably much exceed two hundred acres.
The mounds are of all dimensions, from those of but a few feet in height and a few yards in diameter, to those which, like the celebrated structure at the mouth of Grave Creek in Virginia, rise to the height of seventy feet, and measure one thousand feet in circumference at the base. The great mound in the vicinity of Miamisburgh, Montgomery county, Ohio, is sixty-eight feet in perpendicular height, and eight hundred and fifty-two in circumference at the base, containing 311,353 cubic feet.