Not the best photo, but very likely a Suwannee Cooter based on the shell shape and faint markings seen on the plastro
Three total were observed on this log, but only two were vouchered. Coordinates are very accurate.
Pseudemys is a genus of large, herbivorous, freshwater turtles of the eastern United States. They are often referred to as cooters, which stems from kuta, the word for turtle in the Bambara and Malinké languages, brought to America by African slaves.