First ascender: Zhukov V. — rest of the information is lost. Further data on Shekhovtsov S.'s group.

Ascent Passport

1. Western Tian-Shan, Chatkal Ridge. #7 / 7.12 according to the 2001 classifier
2. Mt. Bolshoy Chimgan. 3309 m via N ridge / W spur.
3. Proposed category: 2A category of difficulty
4. Route type: Combined (ridge)
5. Route elevation gain: 1499 m (by GPS) Route length: 3680 m (by GPS) Section lengths:
   • II category of difficulty – 2267 m (by GPS)