N.H. Rev. Stat. Ann. § 227-L:14

It is unlawful to resist or attempt to resist arrest by any forest fire control personnel authorized to make arrests pursuant to RSA 227-G:7, or to obstruct or attempt to obstruct, or to intimidate or interfere with any such persons in the performance of their duties. Whoever violates the provisions of this section shall be guilty of a violation if a natural person and guilty of a misdemeanor if any other person.