On the announcement of objects by state monuments of nature of local importance: the decision of the Small Council of the Kaluga...

On the declaration of objects by state monuments of nature of local importance: the decision of the Small Council of the Kaluga Regional Council of People's Deputies dated 06/19/1992 No. 95. - 1992. -605: The natural environment of Russia has a black strip on the left side of the document..Source of an electronic copy: the Ministry of Culture and Tourism of the Kaluga Region