The narrator, a naturalist-explorer, narrates journeys through northern Russia, mapping river and overland routes and weighing practical travel choices. He contrasts the treeless tundra with the vast boreal forest, describes major waterways and constant river traffic, and records natural-history observations alongside ethnographic portraits of Finno-Ugric and Uralic peoples such as Zyrianes and Ostiaks. Discussions touch on local material culture, the persistence of primitive craft, processes of Slavic colonization and Tatar presence, and the logistical and administrative arrangements that enabled scientific exploration of remote, monotonous landscapes.