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But the pilot of the second or Alarcon's expedition, Dominico del Castello, as he is called in Hakluyt, or "Domingo del Castillo," as he calls himself, compiled after the second voyage, in the year 1541, in Mexico, a little chart of the visited coasts, for which he appears to have used the sketches and materials collected on both voyages.
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The original charts of both voyages are, however lost to us. Both were printed for the first time in Ramusio, from which Hakluyt took them. The report on the second voyage is written by the Commander Alarcon himself. The reports on both voyages are so ably and clearly written as few journals of that time. Both were accompanied by good pilots-Ulloa by one Juan Castillo* and Francisco Preciado, who wrote the report on this voyage of Alarcon by one Nicolas Zamorano, his Piloto Mayor and "Dominico del Castillo,"^ which latter made the chart to that voyage, of which we will speak instantly. Both Ulloa and Alarcon appear to have made a very good survey and research. voyage under Alarcon ranged like the first along the eastern and western shore of the inner gulf, ascertaining better then Ulloa the nature of the northern end of the gulf and of exploring the great river Colorado, which he asserts to have sailed up for eighty-five leagues. Two of the principal early exploring expeditions of the gulf and peninsula of California were undertaken by Francisco de Ulloa (1539) and Fernando Alarcon, (1540,) of which the first was sent out by Hernan Cortes and the second by the Viceroy of Mexico, Mendoza, Cortes's successor in command. III of Hakluyt's Great Work (Washington, 1857). Kohl in his Descriptive Catalogue of those Maps, Charts and Surveys Relating To America Which Are Mentioned in Vol. Castillo's map has been called "the oldest and most interesting cartographical document on California which we have." As noted by J.G.
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Originally drawn during the Alarcon Voyage to California in 1541. Domingo del Castillo's manuscript map of 1541, as reproduced by Lorenzana in 1770, was the first map to establish definitively that California was in fact a peninsula and not an island. Fine example of Domingo del Castillo's map of Mexico, which appeared in Lorenzana's Historia de Nueva-España, escrita por su esclarecido conquistador Hernan Cortes, aumentada con otros documentos, y notas, por el Ilustrissimo Señor Don Francisco Antonio Lorenzana, Arzobispo de Mexico.