James L. Murphy, "The Chili Standing Rocks, Tuscarawas County, Ohio," Ohio Archaeologist 60 no. 4 (2010): 24-26.
Three erosional rock pillars located east of Chili P. O. (Pearl), Tuscarawas Co., Ohio, are described. Meager artifact material discovered along the ridgetop on which the pillars stand suggests that the natural structures were known to prehistoric residents of the area.