Press, Washington D.C., 1998. Reprint of 1848 edition with a new introduction by David J. Meltzer. Weintraub, Daniel and Kevin R. Schwarz, "Long Shadows Over the Valley: Recent Findings from ASC Group's Excavations at Serpent Mound State Memorial", Current Research in Ohio Archaeology 2013. The Ohio Archaeological Council. Woodward, Susan L. and Jerry N. McDonald, Indian Mounds of the Middle Ohio Valley, Blacksburg, Virginia: The McDonald & Woodward Publishing Company, 1986 External links Serpent Mound, Ohio Historical Society Arc of Appalachia: Serpent Mound "Hopewell culture National Historical Park", National Park Service Ohio History Teachers – Field Trips: Serpent Mound "Archaeological Sites: Serpent Mound", Minnesota State University Mankato Ohio State Archaeological and Historical Society Scientists try to unlock Serpent Mound secrets Fort Ancient culture Archaeological sites on the National Register of Historic Places in Ohio Archaeological sites in Ohio Pre-statehood history of Ohio Museums in Adams County, Ohio National Register of Historic Places in Adams County, Ohio National Historic Landmarks in Ohio Archaeological museums in Ohio Ohio History Connection History museums in Ohio Snakes Protected areas of Adams County, Ohio Parks in Ohio Geoglyphs Mounds in Ohio World Heritage Tentative List