Newark Earthworks is located in Newark and Heath Ohio on the Licking River a tributary of the Muskingum River. Its location is at the confluences of the North and South forks of the liking river as well as Racoon creek and the South fork. It is a massive site that is scaled in miles.Google Map
Ancient Monuments of the Mississippi Valley
Survey of Newark From Ancient Monuments of the Mississippi Valley by Charles Whittlesey and Squier & Davis (See Squier & Davis Book Below)
Survey Map by James and Charles Salisbury's 1862 showing more detail of the Newark Earthworks as well as reference points of the Railroad and Canal bisecting the Earthworks. The map shows more embankment walls surrounding octagon and circle works as well as the "Hopewell road" (parallel embankments) extending away from the works. The parallel works extend at least 2.5 miles and may continue to Chillicothe.
Squier and Davis over GIS Newark Earthworks.