guruguea

Updated: May 29, 2025

John, of the valley of the Rio Guruguea and that of the Rio Paranahyba, show that the great basin of Piauhy is also identical in its geological structure with the lateral valleys of the Amazons. The same is true of the large island of Marajo, lying at the mouth of the Amazons.

Various - The Atlantic Monthly, Volume 18, No. 106, August, 1866