16 U.S. Code § 410vv–1 - Establishment
(a) In general
There is established as a unit of the National Park System the Marsh-Billings-Rockefeller National Historical Park in Windsor County, Vermont (hereinafter in this subchapter referred to as the “park”).
(b) Boundaries and map
(1) The park shall consist of a historic zone, including the Marsh-Billings-Rockefeller Mansion, surrounding buildings and a portion of the area known as “Mt. Tom”, comprising approximately 555 acres, and a protection zone, including the areas presently occupied by the Billings Farm and Museum, comprising approximately 88 acres, all as generally depicted on the map entitled “Marsh-Billings-Rockefeller National Historical Park Boundary Map” and dated November 19, 1991.