Grave Greek Mound Archaeological Complex & Museum

801 Jefferson Avenue
Moundsville, WV 26041

The Grave Creek Mound in the Ohio River Valley in West Virginia is one of the largest conical-type burial mounds in the United States, standing 62 feet (19 m) high and 240 feet (73 m) in diameter. The builders of the site, members of the Adena culture, moved more than 60,000 tons of dirt to create it about 250–150 BC.

Present-day Moundsville has developed around it near the banks of the Ohio River. The first recorded excavation of the mound took place in 1838, and was conducted by local amateurs. The largest surviving mound among those built by the Adena, this was designated a National Historic Landmark in the mid-20th century.

In 1978 the state opened the Delf Norona Museum at the site. It displays numerous artifacts and interprets the ancient Adena Culture. In 2010, under an agreement with the state, the US Army Corps of Engineers gave nearly 450,000 artifacts to the museum for archival. These were recovered in archeological excavations at the site of the Marmet Lock, and represent 10,000 years of indigenous habitation in the area.

Prehistoric Planet under the direction of Ray & Mary Ellen Garton opened a large display of West Virginia related fossils and fossil replicas within the Mound complex. The exhibit includes many Ice Age (Pleistocene) skulls and bones as well some Paleozoic Age skeletons, skulls and bones.


Grave Creek Mound is the largest conical type of any of the mound builder structures. Construction of the earthwork mound took place in successive stages from about 250–150 B.C., as indicated by the multiple burials at different levels within the structures. In 1838, road engineers measured its height at 69 feet (21 m) and its base as 295 feet (90 m).

Originally a moat of about 40 feet (12 m) in width and five feet (1.5 m) in depth, with one causeway across it, encircled the mound for defensive purposes. Inside the mound, archaeological researchers have discovered Adena Hopewell remains and ornaments. In addition, they discovered a small sandstone tablet, the Grave Creek Stone, which modern scholars believe to be a hoax.


Grave Creek mound was created during the Woodland time period (late Adena Period around 1000 BC to about 1 AD). The people who lived in West Virginia during this time are among those groups classified as Mound Builders. This particular tumulus or burial mound was built in successive stages over a period of a hundred years.

The Grave Creek Mound was believed first seen by a European American in 1770, when Joseph Tomlinson and his brother built a log cabin at Grave Creek Flats. Joseph discovered the mound accidentally while hunting. Two years later, he built a cabin for his family 300 feet (91 m) from the mound. This was 33 years before Merriwether Lewis wrote about the mound in his journal; he saw it in 1803 on his way to meet William Clark in Louisville, Kentucky on their expedition to explore the Louisiana Purchase.

About 1830, Tomlinson's descendant, Jesse Tomlinson, and his partner Thomas Briggs made tunnels through the mound and found two rooms. One was a burial chamber in the center of the mound and another room was nearby. The tunnels they made destroyed valuable evidence that could have been used by researchers to compare with data from other mounds. The rooms contained skeletons adorned with jewelry. Some of the jewelry found were 1700 ivory beads, 500 sea shells, and five copper bracelets. Once the mound was completely excavated, Tomlinson opened a museum inside the mound and charged an admission fee for visitors. In 1843, Henry Rowe Schoolcraft, an early ethnologist of Native Americans, mapped the area. He later was appointed as the US Indian Agent along the northern frontier and based in Michigan.

In 1908 the mound was saved from demolition for development by local women of the Wheeling Chapter of the Daughters of the American Revolution, who raised funds to acquire an option on the property. In 1909 the state of West Virginia purchased the site for preservation. It was declared a National Historic Landmark in 1964.

Further archeological investigation led to the discovery that the appearance of the earth of the mound is quite different underneath the surface compared to the land around it. Although it was built of the same dirt, the remains of dead bodies that were burned changed the color of some dirt to blue.

Delf Norona Museum

The Delf Norona Museum displays many artifacts found at the site. It is owned and operated by the West Virginia Division of Culture and History. Opened in 1978, the museum has exhibits that interpret the culture of the Adena people and theories about how the mound was constructed.

In the 21st century, the U.S. Army Corps of Engineers transferred nearly 450,000 artifacts to the Delf Norona Museum for curation and archival. They were recovered during the 1990s in an extended archeological excavation for the replacement site of the Marmet Lock on the Kanawha River. The artifacts, representing 10,000 years of habitation by varying cultures at one site in the Kanawha Valley, include stone projectile knives, a 3,000-year-old sandstone cooking bowl hand carved before the people started making pottery, and stone jewelry from a Fort Ancient village.

In April 2010, the state mounted two exhibits of artifacts from the site at the rotunda of the state capitol in Charleston. The exhibits included historic items dating from the John Reynolds plantation, including pendants made by slaves from 1790s Spanish coins, and material related to colonial salt production. The major part of the exhibit is made up of prehistoric artifacts of Native American peoples, whose occupation of the valley continued for thousands of years, much longer than the brief settlement of European Americans. Additional exhibits will be mounted as the state's Office of Culture and History has an opportunity to assess the artifacts. The Native American artifacts will be kept at the Delf Norona Museum.

The museum is open year-round, and admission is free. A gift shop sells books related to indigenous cultures, as well as Native American crafts, trinkets, and other souvenirs.

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Grave Greek Mound Archaeological Complex & Museum 

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Grave Greek Mound Archaeological Complex & Museum

Grave Greek Mound Archaeological Complex & Museum

Grave Greek Mound Archaeological Complex & Museum

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