... they gave the Spaniards an easy victory it was rather a reception, for they were overawed by superstition as to the invaders. They stated that a few centuries before, they had been a wild tribe on the high country of the Rio Grande and Colorado, in New Mexico. The access from the Pacific up the Colorado would agree well with the hypothesis that the chief sources of the aboriginal inhabitants of America were Mongolian, and that from parties ... — The Mound Builders • George Bryce
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