The Barton County Historical Society and the Quivira Chapter Santa Fe Trail Association will host Kansas Archaeologist Dr. Nikki Klarmann for a program at 7 p.m., Monday, July 22 in the Ray Schulz Research Library at the historical society, 85 South U.S. 281, Great Bend. The program is free for members of the society and those under 16, and $5 for all other attendees.