1. Short title This Act may be cited as the Casa Grande Ruins National Monument Boundary Modification Act of 2019 . 2. Findings Congress finds the following: (1) Casa Grande Ruin Reservation was set aside on March 2, 1889, proclaimed as the Nation's first archeological preserve on June 22, 1892, and redesignated as Casa Grande Ruins National Monument on August 3, 1918. (2) Casa Grande Ruins National Monument protects one of the finest architectural examples of 13th Century Hohokam culture in the American Southwest known to early Spanish explorers as the Great House . (3) Casa Grande is only part of the story of this ancient town that may have covered 2 square miles. (4) Recent surveys and research have determined that the area of the Great House and the village surrounding it extends beyond the current monument boundary. 3. Definitions In this Act: (1) Map The term map means the map entitled Proposed Casa Grande Ruins Boundary Modification , numbered 300–120,734, and dated May 2013. (2) Monument The term Monument means the Casa Grande Ruins National Monument in the State. (3) Secretary The term Secretary means the Secretary of the Interior. (4) State The term State means the State of Arizona. 4. Acquisition and transfer of administrative jurisdiction of lands (a) Acquisition of lands The Secretary is authorized to acquire by donation, exchange, or purchase with donated or appropriated funds from willing owners only, the private or State lands or interests in lands generally depicted on the map, to be administered as part of the Monument. (b) Transfer of administrative jurisdiction to the NPS The following Federal lands as generally depicted on the map are hereby withdrawn from all forms of entry, appropriation, and disposal under the public land laws; location, entry, and patent under the mining laws