vulcanology, hydrography, meteorological, novaya zemlya, geodesy, taimyr, akim, hydrographical, chuvash, amur river, kamchatka peninsula, irtysh, balkhash, kamchatka, arkhangelsk, oceanology, hydrological, evenk, kirghizia, tatar strait, maikop, oblast, ussuri, taimyr peninsula, kola peninsula, ob river, aktyubinsk, seismological, geodynamics, weather forecasting, murmansk, nizhni novgorod, novgorod, vyatka, oryol, aquiculture, akmola, kostroma, yenisei river, dobrogea, volcanology, nalchik, bryansk, transylvanian alps, dehong dai, ustyurt, mogilev, irtysh river, nenets, orsk, yenisey, khabarovsk, glaciology, tyumen, frunze, barnaul, yenisei, ternopol, berezniki, kuznetsk, tobolsk, lake onega, blagoveshchensk, foehn, laptev sea, yeisk, aru islands, taganrog, rayons, syr darya, cadastre, greater antilles, chelyabinsk, eolian, taiga, desalinisation, geomagnetism, dvina, cherenkov, volcanological, kolomna, geodetic, geotechnics, altimetry, irkutsk, kirgiz, ishim, lake ladoga, tien shan, lutsk, prut, eugeny, radiosonde, epizootic, lipetsk, oceanic, voronezh, nizhni tagil, danube river, climatology, buryat, melitopol