Pioneer explorers of Tyumen oil, Lenin Prize winners, and Heroes of the Socialist Labor Yury Ervye and Farman Salmanov.
- Categories: Environmental Issues, Science & Technology
- Location: Russia
- Event date: 01.01.1973
- Date published: 23.08.2009
- Author: A. Lidov
- Source: Sputnik
- Credit: Sputnik
- Original: D73-1303, 6x6 slide
- Media: JPEG, 3543x3543px, 2.4Mb