Natural park "Deer streams".Children from the Children's Summer Camp "Generation" after visiting the cave friendship

Natural park "Deer streams".Children from the Generation Children's Summer Camp after visiting the Friendship cave.- 2007. -605: natural environment of Russia letter from deputy.Minister V.V. Petrov dated 07.27.17 No. 12-10-33/7578..Source of an electronic copy: the Ministry of Natural Resources and Ecology of the Sverdlovsk Region