N.H. Rev. Stat. § 35-B:1
Any town, city, county, village district or school district acting through its governing body, may either independently or in conjunction with the United States, the state of New Hampshire, or any other political subdivision acquire land within or without its jurisdiction by gift, purchase or lease, for a public recreation and park area and may prepare, equip, and maintain said land for said purpose. Said town, city, county or district may establish a system of reasonable fees and charges thereon; may conduct and promote leisure-time activities thereon. In connection therewith, any such town, city, county, or district may construct, reconstruct, equip, operate, and maintain any recreation building or recreation support facility; and may employ an administrative officer and such other persons as it deems necessary to carry out the provisions of this chapter. Any town, city, county or district shall have the power to jointly enter into any contract with any organization or organizations for the purpose of conducting leisure-time programs, acquiring recreational lands or facilities, or exercising any other power granted by this chapter.
RSA 35-B:1
1979, 185:1, eff. Aug. 5, 1979.