The 1978 population of St. George was over 13,000. Mayor Larkin worked to accommodate the fast growth. Improvements in power, water and streets were made. The new City Office Building, Hall of Justice and Library were built. Bluff Street was widened. All of the land to the Arizona State line was annexed to St. George. Mayor Larkin worked for an informed citizenry that had greater interest in city government. He organized committees to work with City officials in areas of recreation, downtown redevelopment and safety. Mayor Larkin, a successful businessman, built St. George’s strong infrastructure and developed a staff of business professional. He served on the State Water Council, the Five Counties Association of Governments and the Utah League of Cities and Towns.