Harrison Township's Administrative Offices are located at 38151 L'Anse Creuse Road. All departments are open to the public from 8:00 a.m. until 4:30 p.m., Monday through Friday. Offices are closed from 12:30 - 1:30 pm for lunch.Harrison Township's Administrative Offices are located at 38151 L'Anse Creuse Road. All departments are open to the public from 8:00 a.m. until 4:30 p.m., Monday through Friday. Offices are closed from 12:30 - 1:30 pm for lunch.