25834119IslandLargish island in the Great Bend of the Xingu River, downstream of Altamira, PA. Name unknown.
The polygon follows the vegetation outline, excluding beaches, rocky flats, and plces that look like they are submerged in the rainy season.-51.7816356-3.5349586BrazilAmapaOiapoque22386-3.528405-3.5415121-51.774061-51.7892101
islanddo not draw title