Historic property. Any prehistoric or historic district, site, building, structure, or object included in, or eligible for inclusion in, the National Register of Historic Places maintained by the Secretary of the Interior. This term includes artifacts, records, and remains that are related to and located within such properties. The term includes properties of traditional religious and cultural importance to an Indian tribe or Native Hawaiian organization and that meet the National Register criteria. (See 36 CFR 800.16).
7 CFR § 1970.6
Definitions. Terms used in this part are defined in 40 CFR part 1508, 36 CFR 800.16, and this section. If a term is defined in this section and in one or both of the other referenced regulations, such term will have the meaning as defined in this subpart.