 The Decree by which the area known as Desierto de los Leones is constituted as a National Park was published in the Official Gazette of November 17, 1917 designating with it an area of 1,529 hectares under President Venustiano Carranza's rule.The first article of the decree stipulates that Desierto de los Leones would now be named as Desierto de los Leones National Park.The second article states that the management, conservation and improvement of the park would now be in charge of the Ministry of Public Works.