The concluding medical geographic chapter includes maps of the medical geographic evaluation of the maps of infectio ns and invasion diseases common both for the man and for the animals, maps of biogeochemical endemics, complex medical geographic maps. In the third direction the maps are concentrated dedicated to the use of the natural ecological potential of territories and to the anthropogenic influence in the process of the use. The questions of the study of the alteration of the state of the components of the geographic environment owing to the anthropogenic influence and the reflexion of this alteration on the maps is of great keenness and importance at present. The maps make their appearance fixing the negative changes of the state of the components of the geographic environment under the influence of the human activ ities. Side by side with the traditional maps there are some original cartographic works illustrating the multiformity of the search in the show and in the representation of the state of the geographic environment.
Some maps reflect the influence of the industry and agriculture on the state of the air and water.
The series of the maps of a scale of one to five hundred thousand is worthy of note characterizing the radiation situation on the territory of the European part of the former USSR as a whole and in its separate regions Byelorussia, Kaluga, Kursk, Leningrad, Tula and other regions in particular. The mapping connected with the protection of the nature is developing by leaps and bounds. The complex ecological maps rouse the keenest interest among the users. Similar maps are still few. It is the first complex ecological map.