25951955IslandIsland in the Great Loop ("Volta Grande") of the Xingu River, between the cities of Altamira and Senador José Porfírio, PA. Name unknown.
The polygon follows the vegetation outline, excluding flat barren areas (sandy or rocky) that are probably submerged in the rainy season. Caveat: the polygon is based on relatively low-res images (z<16); the northwest corner may be a separate islet.-51.6232109-3.2500907BrazilParaAltamira65380-3.2480127-3.2521687-51.6189086-51.6275131
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