Question: Along which creek is the prehistoric effigy mound that William F Romain led a investigative team of archaeologists into in 2011 located?
Sentence (from "Serpent Mound"): The Serpent Mound of Ohio was first reported from surveys by Ephraim Squire and Edwin Davis in their historic volume "Ancient Monuments of the Mississippi Valley", published in 1848 by the newly founded Smithsonian Museum.
Relevant evidence: No