Construction of the Baikal-Amur Mainline in the Chita Region

1-30 August 1976. USSR. Chita Region. Head of the scientific expedition of the Irkutsk State University Leonid Plastinin during the determination of the size of the ice on the Sredniy Sakukan River during the design and construction of engineering barriers to protect against natural disasters on the Baikal-Amur Mainline under construction. The exact date of the photo has not been established. Grigory Kalachyan/TASS