 While the initial declarations were made in 1915, their implementation was delayed until 1930.These ejidos include Extortas, Rio Blanco, Las Enramadas, Peña Blanco, San Lorenzo, La Plazuela, Maguey Verde, El Pilón, Los Encinos, Agua Fria, Molinitos de Orozco, El Portugues, Camargo, La Higuera, El Tequizquite and San Isidro Boquillas.In 1936, much of the Peñamiller area was reformed as the Villa Zapata delegation of the municipality of Tolimán.