Cleaning water of the Moskva River. Photo: A dredge feeds polluted soil from the riverbed inside a barge's cargo holds. The vessel's captain watches the multi-bucket dredge in action.10.07.1973#5935109
Members of the city sanitary and epidemiological station controlling air pollution near the enterprise.01.07.1973#44095
The Moscow Oil Refinery. A portable gas analyzer of the gas rescue service registers the samallest anomalies in the air medium. 1972.01.07.1972#761132
The Central Aeration Station in Leningrad, now St. Petersburg on Bely Ostrov (White Island), a small man-made island in the Neva River delta and the city's Kirovsky District. Photo: The laboratory's specialists check the quality of water after purification.20.11.1971#6107878
The Kurchatov Beloyarsk Nuclear Power Plant. A surveyor measuring the radiation intensity inside the power plant.01.07.1971#5798430
Kaunas in the Lithuanian SSR. Photo: An operator stands near the control console of a multirole analyzer of substances and elements in soils and water.29.07.1965#5963472
