5:30 p.m. Instructors with the Texas Archaeological Society’s Geoarchaeology Academy present two 30-minute lectures about archaeological investigations in Texas. Gus Costa presents "Racid Rumors or Native Wisdom? Testing the efficacy of Mosquito Repellents attributed to the indigenous peoples of Texas,” and Ken Lawrence presents, "Geoarchaeological Investigations at 41MS78, a stratified Archaic Site on the Llano River in North Central Texas."