Effigy Mounds National Monument

This picture is from November of 2006, when I visited this National Monument in Northeast Iowa right along the Mississippi River.

Here are the rest of the pictures from this series of Indian Mounds preserved by the NPS-
http://www.eriksmith.com/Midwest06minis/EffigyMoundsNM.htm
http://www.eriksmith.com/Midwest06minis/EffigyMoundsNMp2.htm
http://www.eriksmith.com/Midwest06minis/EffigyMoundsNMp3.htm