N.H. Rev. Stat. Ann. § 227-D:6

The general court recognizes the 1987 designation of Mount Monadnock and the Rhododendron Grove in Fitzwilliam as National Natural Landmarks by the U.S. National Park Service, and hereby directs the Monadnock advisory commission and the department of natural and cultural resources to ensure the integrity of that designation in its management policies and plans.