All construction within the conservation area must use local limestone.
A new church, which is still standing, was constructed in 1768 from local limestone.
The cabin was built of local limestone and heart pine.
The two story Federal style house was built around 1812 of local limestone.
Buildings of the Keep were constructed using the local limestone.
The present town hall was built in 1912 using local limestone.
It was built in 1914 using local limestone and used as a post office until 1979.
The local white limestone was also used to build the walls of the city and many buildings.
The majority of the buildings are constructed from the local limestone.
Most of the tools were made from the local limestone.