Zahm — a priest, scientist, and Theodore Roosevelt’s later travelling companion — ascended the Orinoco to the Casiquiare, crossed to the Amazon watershed and came down the Magdalena: the forest and its natural history, the missions, the llaneros, and Humboldt’s route retraced a century on.
The Orinoco and the Magdalena, followed in Humboldt’s footsteps. Download the free EPUB.