-1561 1526-1561 aguirre america américalatina bolivia cibola ciudaddeloscésares(legendaryplace) colonization descriptionandtravel discoveryandexploration esclavos geographicalmyths goldminesandmining historia history jivaranindians lopede minasyextracción missionsjesuits mojoindians oros pedrode quivira(legendaryplace) sevencitiesof sources spanish ursua ursúa venezuela