Yashek Valley. A scientific expedition was sent to the Yashek valley in the Zebak group of the northeastern Hindu Kush by the University of Gdansk, Poland. The leader was Krzysztof Petelski. They were in the region from July 22 until August 16. The eight scientists undertook geomorphological, geological and glaciological studies, particularly of the Ratkhut Zom Glacier. On August 13 Adam Brzozowski, Kazimierz Furmanczyk, Boguslaw Poczopko, Krzysztof Petelski, Henryk Roszman and Piotr Rzepecki made the first ascent of P c. 5400 (17,717 feet; Wala Zebak peak 185).