Charles L. Keller

Historical marker location:

621 Memorial Pkwy, Fremont, Ohio

( Memorial is on McKinley Parkway just east of Memorial Parkway, in the median.)

The Ohio River Valley was home to several Native American cultures before European settlement, including the Adena and Hopewell cultures. These cultures left behind many burial mounds and other archaeological sites that are now protected and preserved by the state of Ohio.