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CÁRDENAS Y MAGAÑA, MANUEL JOSE DE (?–?). Manuel José de Cárdenas y Magaña, a skillful engineer who had built the prison and fort of San Juan de Ulloa in Veracruz, was ordered to accompany Francisco de Llanos on the Llanos-Cárdenas expedition up the coast from Veracruz in 1690, for the purposes of finding out whether the rivers of the Texas coast were navigable and of locating Fort St. Louis. They reached Cavallo Pass on October 24, 1690, and were back in Veracruz on December 9.


Eugene C. Barker, Readings in Texas History (Dallas: Southwest Press, 1929).

Frank Goodwyn

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Frank Goodwyn, "CARDENAS Y MAGANA, MANUEL JOSE DE," Handbook of Texas Online (, accessed December 01, 2015. Uploaded on June 12, 2010. Published by the Texas State Historical Association.