CHAPTER I.
The Secret of the Gulf—Ulloa, 1539, One of the Captains of Cortes, Almost Solves it, but Turns Back without Discovering—Alarcon, 1540, Conquers.
In every country the great, rivers have presented attractive pathways for interior exploration—gateways for settlement. Eventually they have grown to be highroads where the rich cargoes of development, profiting by favouring tides, floated to the outer world. Man, during...
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