Gunnels military service from GA
"The first GUNNELS to come to this area of Tennessee was Joseph Daniel and his brother, William Posey Gunnels. They rode in on horseback from Georgia. Both had served in the Georgia Military during the Revolutionary War. Their Father, William Nathan (Gunnels) was a Lieutenant and their Uncle, Daniel Gunnels was a Captain in the same Militia. " from "History & Genealogy of Families in Pickett County, TN" by Pickett County History Book Committee, 1989, page 578
What is the original source of this information? Does anyone have source the military records for any of these folks?