BomFuturo.org - Pantanal - Environment and Biodiversity Conservation
The plain
The vast alluvial plain (at 80-100 m above sea level) was formed by the sediments from the rivers descending the Andes and from the surrounding highlands. It dips slightly along the Paraguay River, about 1-2 cm/km in NS- direction and 6-12 cm/km in an EW- direction.)