Do you know costley mill in georgia?

Yes, Costley Mill is a historical gristmill located in the city of Conyers, Georgia. It was built in the 1850s and was operational until the early 20th century. The mill is now a historic site and is listed on the National Register of Historic Places.

Jessie Costley's great-grandfather built that park

I apologize for any confusion, but there doesn't seem to be a connection between Costley Mill and a park built by Jessie Costley's great-grandfather. Costley Mill is primarily known as a historical gristmill in Conyers, Georgia. If there is a park associated with Jessie Costley's great-grandfather, it would require further clarification or information.

Yes, I am familiar with Costley Mill in Georgia. Costley Mill is a historic site located in Rutledge, Georgia. It is a picturesque venue that has a rich history and is often used for weddings, events, and photography. If you have any specific questions about Costley Mill, feel free to ask!