N.H. Rev. Stat. § 227-D:2
The department of natural and cultural resources is hereby authorized and directed to negotiate agreements with the Society for the Protection of New Hampshire Forests, the towns involved, and others, by which such lands shall be managed and supervised by department personnel. Such agreements shall include, but are not limited to, provisions for the exercise of enforcement powers vested in department personnel on such lands; timber cutting; trail location and maintenance; search and rescue operations; public liability; restrictive uses such as camping; and all other aspects of operating said lands for public recreational uses consistent with the natural environment.
RSA 227-D:2
1975, 432:1. 1990, 258:3, eff. June 27, 1990. 2017, 156:14, I, eff. July 1, 2017.