Keywords: The Grave Creek mound, one of the most famous "moundbuilder" hillocks in the United States, in the city that took its name from it- Moundsville, West Virginia LCCN2015632101.tif 1 photograph digital tiff file color Notes The heart of the site is the largest of the Adena people's burial mounds A massive undertaking the effort required the movement of more than 60 000 tons of earth Artifacts and exhibits interpreting the lifestyle of the Adena people are displayed in the Delf Norona Museum adjacent to the 2 000-year old mound Grave Creek Mound is the largest conical type of any known moundbuilder structures Its creation took place in successive stages from about 250 to 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 and its diameter at the base at 295 feet The first recorded excavation of the mound by local amateurs took place in 1838 To gain entrance to the mound two horizontal tunnels and one vertical shaft were created This led to the most significant discovery of two burial vaults ; Credit line West Virginia Collection within the Carol M Highsmith Archive Library of Congress Prints and Photographs Division ; Forms part of West Virginia Collection within the Carol M Highsmith Archive ; Title date and keywords based on information provided by the photographer ; Purchase; Carol M Highsmith Photography Inc ; 2015; DLC/PP-2015 055 2015 Creator Carol M Highsmith Library of Congress Catalog http //lccn loc gov/2015632101 Image download https //cdn loc gov/master/pnp/highsm/32000/32026a tif Original url http //hdl loc gov/loc pnp/highsm 32026 No known restrictions on publication LOC-image highsm 32026 PD-Highsmith Images uploaded by Fæ West Virginia Collection within the Carol M Highsmith Archive Library of Congress Prints and Photographs Division West Virginia Collection within the Carol M Highsmith Archive Photographs by Carol M Highsmith |