National Geographic : 1926 Apr
00 LATITUDE, 0 DEGREES, 00 MINUTES, 00 SECONDS Looking down the Rio Branco above Cuarena. The Equator passes through the larger island. The launch isbound from Vista Alegre to Carvoeiro, down river, but is zigzagging, presumably to avoid sand bars. This photograph was made asthe plane was flying back toMangos, when the river was at low stage, late in March.