Authorizes the Secretary to acquire land and land interests within a designated authorized acquisition area for the National Monument from willing sellers, by donation, or by exchange (no eminent domain), and to manage those lands as part of the National Monument under National Park System laws. It preserves preexisting recreational uses (such as hunting and fishing) on newly acquired lands when they existed before acquisition, allows limited noncommercial gathering of fiddlehead ferns and noncommercial timber harvest subject to the management plan, requires coordination with local and Tribal communities on public education, and permits acquisition (up to 10 acres) of nearby parcels or buildings for administration and visitor services and for cooperative information center agreements with State, Tribal, local, or private partners.

Defines key terms used in the Act, requires Monument boundaries to be adjusted to include acquired parcels, preserves existing access rights, and directs safety and education coordination to protect visitors and any ongoing timber operations or logging activities near acquired lands.