Seven sites added to historic preservation program The Arkansas Historic Preservation (AHPP) updated its listings from the National Park Service regarding the National Register of Historic Places. Author: Talk Business & Politics Updated: 5:34 PM CDT May 30, 2021 ARKANSAS, USA — The Arkansas Historic Preservation (AHPP) updated its listings from the National Park Service regarding the National Register of Historic Places. New listings for the state include: U.S. 65 Expressway Pedestrian Bridge, Jefferson County Lawrence A. Davis, Sr., Student Union, Jefferson County Dr. Alfred A. and Adele Berger, House, Phillips County Helena World Building, Phillips County Helena Aero Tech Hangars, Phillips County K.C. Baking Powder Building, Pulaski County