I am having difficulty in finding any official mention of our second stop which is across the road from St Francis Veterinary Hospital so this link of a photo is all I have...
https://maps.app.goo.gl/ZoTufHNe9xZWvruNA
It is a granite Mile Stone for King's Highway dated 1773 which at the time denoted the mileage to Coops (Coopers) Ferry which is now known as Camden and to Salem...
Kings Highway has a LOT of history!
Kings Highway was built to connect Charlestown South Carolina with Boston Mass... by decree of Charles II... King of England at the time. It is 1,300 miles long...
https://explore.globalcreations.com/theblog/featured/exploring-the-kings-highway/