Note VIII-21 — Chapter VIII · THE AZTEC PERIOD.
Reading edition
Several authors give the dates as 1446. Veytia, tom. iii., pp. 247-8; Clavigero, tom. i., pp. 233-4; Torquemada, tom. i., pp. 157-8; Brasseur, Hist., tom. iii., pp. 228-32. This author gives the width of the dike as about 30 feet. Vetancvrt, Teatro, pt ii., p. 30.