25830237IslandSmall island in the Xingu River, upstream of Altamira, PA. Name unknown.
The polygon follows the vegetation outline, ignoring beaches, rocky flats, and other areas that are probably submerged in the rainy season. The polygon is based on low-res satellite imagery-52.210958-3.3422168BrazilParaAltamira9722-3.3392393-3.3451943-52.209692-52.212224
islanddo not draw title