The Great Serpent Mound was built by native people in what is now Ohio sometime between 1000 AD and 1500 AD (although those dates are somewhat in dispute). The pictures below show the mound and the surrounding terrain from various angles. Keep in mind that the mound is now part of a park so any modern-looking elements in the pictures can be ignored.
Use the SCIM-C Worksheet to analyze the mound as a historical object. Complete each section as fully as possible then do some additional research and take notes on what you find. Use the back of your analysis sheet for your additional notes.