26044358IslandIsland in the Xingu River, in the Great Loop ("Volta Grande") section, downstream (southeast) of Altamira, 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 eastern half of the polygon is based on extremely low-res images.-51.6707504-3.2428551BrazilParaAltamira60073-3.2403539-3.2453562-51.6657829-51.6757178
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