State Historic Preservation Office

The State Historic Preservation Office (SHPO) is a U.S. state or territorial governmental function described by the United States federal government in 1966 under Section 101 of the National Historic Preservation Act (NHPA). As described in that law, the purposes of a SHPO include surveying and recognizing historic properties, reviewing nominations for properties to be included in the National Register of Historic Places, reviewing undertakings for the impact on the properties as well as supporting federal organizations, state and local governments, and private sector.

Source: Wikipedia — State Historic Preservation Office (CC BY-SA 4.0)