Illegal development of the quarry was stopped by inspectors of the Central Territorial Administration of the Ministry of Ecology and Natural Resources of the Republic of Tatarstan in the Otary settlement of Privolzhskiy district of Kazan. “Black diggers” at the sight of environmentalists hastened to leave the place, abandoning special equipment. Police officers were called in. An administrative investigation is underway, violators face the punishment under Part 1 of Article 7.3 of Administrative Code of the Russian Federation “Use of minerals without a license to use”.