Senoia Area History Society members and guests were recently treated to an interesting and informative program by Dr. Gary McIntosh, the great, great, great-grandson of Chief William McIntosh, a signer of the Treaty of Indian Springs which ceded land, …Senoia Area History Society members and guests were recently treated to an interesting and informative program by Dr. Gary McIntosh, the great, great, great-grandson of Chief William McIntosh, a signer of the Treaty of Indian Springs which ceded land, …