16 U.S. Code § 460rrr–5 - Administration of Natural Area
(a) In general
The Secretary shall administer the Federal land in the Natural Area—
(1) in accordance with—
(2) in a manner that provides for—
(A) the conservation, restoration, and protection of the natural, historic, scientific, scenic, wildlife, and recreational resources of the Natural Area;
(B) the continued use of the Natural Area for purposes of education, scientific study, and limited public recreation in a manner that does not substantially impair the purposes for which the Natural Area is established;
(E) the reduction in the use of or removal of roads in the Natural Area and, to the maximum extent practicable, the reduction in or prohibition against the use of motorized vehicles in the Natural Area (including the removal of roads and a prohibition against motorized use on Federal land in the area on the western side of the Rio Grande River from Lobatos Bridge south to the New Mexico State line).
(b) Changes in streamflow
The Secretary is encouraged to negotiate with the State of Colorado, the Rio Grande Water Conservation District, and affected water users in the State to determine if changes in the streamflow that are beneficial to the Natural Area may be accommodated.
(c) Private land
Subject to valid existing rights, all Federal land in the Natural Area is withdrawn from—
(e) Acquisition of land
(1) In general
The Secretary may acquire from willing sellers by purchase, exchange, or donation land or an interest in land in the Natural Area.