Kargachin Pavel Evgenievich RussiaMoscowMoscow State University, Leninskiye Gory, 1, Moscow 119991, Russiasenior researcher of department of cartography and geoinformaticsCandidate of Geographic Scienceskargashin@mail.ru Author's articles Cartographic Approach to Projecting of Ecological Monitoring Network on the Oil-and-Gas Sector Construction the System of Maps to Support Environmental Researches of Petroleum Industry Facilities