Baikal-Amur expedition of the Institute of Geography of Siberia and the Far East

USSR. Chita Region. Candidate of Geographical Sciences Alexander Naprasnikov and laboratory assistant Tamara Aksenova during the study of the hydrology of water bodies near the future section of the Baikal-Amur Mainline during the integrated Baikal-Amur Geographical Expedition of the Institute of Geography of Siberia and the Far East of the Siberian Branch of the USSR Academy of Sciences. Grigory Kalachyan/TASS