Ключевые слова: Иренский спелеологический район, Волго-Уральская спелеологическая провинция, Урал, Башкирия
Источник: http://nsi.psu.ru/cave/vipuski/v42.pdf
Реферат: The results of caves studies at the speleology district in 2018 – 2019 are presented. Karst within the study area, due to the high degree of leaching and solubility of the Lower Perm gypsum, has a high intensity. Caves of the speleorayon evolve rapidly, changing their size and configuration.