All built resources, including the hydroelectric project facilities, in the project APE should be identified and inventoried by a historic preservation specialist. Buildings and structures that are greater than 50 years in age will be evaluated for NRHP eligibility. Resources that will become 50 years old during the term of the license will be evaluated as they achieve that threshold. As with archaeological resources, the primary means of inventorying historic built resources is through background literature review and field inspection.
