The circular earthwork is located in a wooded area. Archaeologists don’t know what purpose earthworks served.

Dingfelder Circle Earthworks (Pennsylvania)

The Dingfelder Circle, an earthen enclosure in Corry, Pennsylvania, that’s about two-feet high and roughly 200 feet in diameter, has been on the Conservancy’s radar for a very long time and is now finally...
Southwest Regional Director Jim Walker Examining the site

Saving an Ancestral Puebloan site: Manzanares Pueblo

Preserving this endangered archaeological site has been a long term project for the Conservancy. Your gift of $25, $50, $100 or more for the Preservation Fund designated for Manzanares Pueblo will make such a...
This chert biface tool was found at the site.

Siemer (California)

Last winter the Siemer family contacted the Conservancy about buying their property in northeast California. The Siemers own 300 acres that are located on the south-central edge of Big Valley and border the Modoc...
Elizabeth Irwin of the University of Alabama Museums, Jessica Crawford, Southeast regional director for the Conservancy, Matt Gage, director of the Office of the University of Alabama Museums, and Howell Poole, Jr., president of the Bank of Moundville, discuss the significance of the Asphalt Company Mound during a recent site visit.

Asphalt Company Mound (Alabama)

The Black Warrior River Valley in west central Alabama is literally covered with prehistoric mound sites. The largest, most impressive and most well-known of these is the Moundville site, which sits on the Black...
The early morning sun shines on the Esmond 2 site.

Esmond (New York)

The 50-acre Esmond preserve contains two sites, known as Esmond 2 and 3, that date from the Late Archaic to the Early to Middle Woodland periods (3000 B.C. – 1000 A.D.). The sites were...
This fragment of a trumpet-style pipe was found at the site. Courtesy Rochester Museum & Science Center.

Footer (New York)

There are oral traditions that recount the history of the alliance of the Haudenosaunee, or the League of the Iroquois, but how its formation is manifested in the archaeological record is much more difficult...
The Yorktown Enclosure survives within an isolated wood lot surrounded by agricultural fields that are being developed for commercial purposes.

Yorktown (Indiana)

The Conservancy has obtained the Yorktown Enclosure, a 2,000-year-old prehistoric earthwork in east-central Indiana. The earthwork was acquired from Larry New, a Muncie, Indiana, real estate developer, as a bargain-sale-to-charity, for only $20,000. The...
This specialized hoe shows signs of extensive wear.

Davis (New Mexico)

The Davis Ranch, which is located north of Quemado, in west-central New Mexico, is one-square mile in size and contains five separate prehistoric sites.  Tom Davis is donating five pieces of land that contain...
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Preserving Steel Earthworks (Ohio)

Summer 2015 The Conservancy is working to acquire the Steel Earthworks, its sixth large Hopewell preserve in south-central Ohio, the heartland of the Hopewell culture. From about 100 B.C. to A.D. 500, the Hopewell produced...
The mound in the background and Western Regional Director Cory Wilkins on the left, avocational archaeologists Don Hendricks in the middle, and Western Field Representative Deanna Commons on the right.

Update West: Preserving a Legacy of Water in the Desert at Mound Spring Site,...

The Western Region recently acquired the remaining portion of the Mound Spring Site in Pahrump, Nevada.    The mound is bisected by a property line that basically splits it in half.  The Conservancy acquired the...