sentences:  The expedition travelled from Caylloma by four-wheel drive, but soon got bogged.Continuing on by backpacking up the river, they climbed up the Apacheta Trail and traversed onto the mountain Mismi, taking in the mountains Kiwicha and Pumachiri.This is, as McIntyre describes it in his 1972 National Geographic article, "a semicircle rampart of the continental divide.