Various, Encyclopaedia Britannica, 11th Edition…
“ The one common outlet for these districts is the Magdalena river, whose navigable channel penetrates directly into the heart of the country. From Bogotá the Spaniards constructed two partially-paved highways, one leading down to the Magdalena in the vicinity of Honda, while the other passed down into the upper valley of the same river in a south-westerly direction, over which communication was maintained with Popayan and other settlements of southern Colombia and Ecuador. ”
