; and (B) plans. (c) Donations (1) In general The Secretary may accept and use donated funds, property, in-kind contributions, and services to carry out this title. (2) Prohibition The Secretary may not use the authority provided by paragraph (1) to accept non-Federal land that has been acquired after the date of enactment of this Act through the use of eminent domain. (d) Cooperative agreements In carrying out this title, the Secretary may make grants to, or enter into cooperative agreements with, units of State, Tribal, and local governments and private entities to conduct research, develop scientific analyses, and carry out any other initiative relating to the management of, and visitation to, the Recreation Area. II SAN GABRIEL MOUNTAINS 201. Definitions In this title: (1) Secretary The term Secretary means the Secretary of Agriculture. (2) Wilderness area or addition The term wilderness area or addition means any wilderness area or wilderness addition designated by section 203(a). 202. National monument boundary modification (a) In general The Secretary shall modify the boundaries of the San Gabriel Mountains National Monument in the State to include the approximately 109,143 acres of additional National Forest System land depicted as the Proposed National Monument Expansion on the map entitled San Gabriel Mountains National Recreation Area and National Monument Expansion Proposal and dated October 5, 2015. (b) Administration On inclusion of the National Forest System land described in subsection (a), the Secretary shall administer that land as part of the San Gabriel Mountains National Monument in accordance with the laws generally applicable to the Monument. (1) Within 3 years after the date of enactment of this Act, the Secretary shall consult with State and local governments and the interested public to update the existing San Gabriel Mountains National Monument Plan to incorporate and provide management direction and protection for the lands added to the Monument. 203. Designation of wilderness areas