The Office of History and Archaeology (OHA) is Alaska's primary office with knowledge and expertise in historic preservation dedicated to preserving and interpreting Alaska's past, and serves as Alaska's State Historic Preservation Office (SHPO) pursuant to the National Historic Preservation Act of 1966. OHA administers programs authorized by both the National Historic Preservation Act of 1966 and the Alaska Historic Preservation Act of 1971. The office works with local governments, the public, and educational and not-for-profit organizations to identify, preserve, protect, and interpret the state's cultural, historic, and archaeological resources ensuring that our heritage is passed on to future generations.