Imhoff Archeological Site

Imhoff Archeological Site, also known as Site 23CP7, is a historic archaeological site located near Blackwater, Cooper County, Missouri. It is a Middle Woodland Period village site situated on a terrace in the Lamine River locality of the Missouri River Valley. The pottery and stone tools from the site belong to the technological/artistic tradition that is described as "Hopewell."

It was listed on the National Register of Historic Places in 1972.