Oversize photograph of expedition base camp on the 1956 Machris Brazil expedition.

Oversize photograph of Caraja Indian village at Santa Isabel, Ilha do Bananal, Central Goias, Brazil.

Oversize photograph of Herbert F. Berla, ornithologist from the Brazil Musuem, preparing a rhen specimen in the field on the 1956 Machris Brazil expedition.

Oversize photograph of expedition camp on the 1956 Machris Brazil expedition.

Oversize photograph of expedition camp on the 1956 Machris Brazil expedition.

This file contains a photo of river boat operators on the Machris Brazil Expedition in Rio Tocantins, Goias, Brazil.

Oversize photograph of Machris Brazil expedition base camp #2 in the Serra Dourada range headwaters of the Rio Tocantins, Goias, Brazil.

Oversize photograph of Machris Brazil expedition base camp #2 in the Serra Dourada range headwaters of the Rio Tocantins, Goias, Brazil.