N.H. Rev. Stat. Ann. § 227-C:6
The state, acting through the commissioner, reserves to itself title of ownership of all historic resources, except for human remains as provided in RSA 227-C:8-a and 8-g, on or from:
Source. RSA 227-C:12. 1981, 504:5. 1985, 345:3. 1986, 80:7, eff. Jan. 1, 1987.