The universal geography : earth and its inhabitants

120
AMAZONIA AND LA PLATA.
assimilated to the aborigines by alliances with the Piangoto Indians, through
whose kinsmen beyond the mountains they have opened commercial relations
with the Dutch of Surinam.
Alemquer, on a lateral creek of the Amazons east of Obidos, is increasing in
wealth and population, especially by developing the natural resources of the vast
savannas of the Campo Grande, which stretch away to the frontiers of Guiana.
Fig. 42.—Obidos.
Scale 1 : 380,000.