Ohio's State Preservation Office is trying to locate the graves of 7,000 Revolutionary War heroes before Memorial Day by using an app to document sites at cemeteries.
https://www.foxnews.com/us/ohioans-helping-search-undocumented-revolutionary-war-soldiers-part-america-250-celebration
https://www.foxnews.com/us/ohioans-helping-search-undocumented-revolutionary-war-soldiers-part-america-250-celebration