Keywords: End of a ditch at the Great Circle in Newark.jpg 66000614 40 2 29 5 N 82 25 44 W Opening of a ditch on the southern side of the gate to the Great Circle Earthworks in w Newark Ohio Newark Ohio United States ; note the nearby person for scale Along with the Octagon and Wright Earthworks the Great Circle was built by prehistoric Hopewell tradition Hopewellian peoples The three sets of earthworks compose the Newark Earthworks ; they have been designated a National Historic Landmark own 2011-03-17 User Nyttend Nyttend Newark Earthworks Scenery pictures by User Nyttend ImageNote 1 1397 651 496 39 2816 1584 2 Mounds in the circle's interior ImageNoteEnd 1 ImageNote 2 1148 644 158 28 2816 1584 2 Far side of the circle approximately 1/5 of a mile away ImageNoteEnd 2 |