America--Discovery and exploration--Spanish; Cabeza de Vaca, Alvar Núñez, 16th cent.; New Mexico Quartocentennial; Oñate, Juan de, 1549?-1624; New Mexico--Spanish colonization; Coronado, Francisco Vásquez de, 1510-1554; Cibola expedition; Law--Spain--Colonies; Spain--Colonies; Indians of North America; El Turco; Tourism--New Mexico; National parks and reserves--New Mexico;