https://www.trend.az/business/economy/3500447.html
Iran started exploration of mining sites in South Khorasan Province - Trend.Az
Oct 19, 2021 - TEHRAN, Iran. Oct.19 Trend: Iran has started mine explorations on a 400,000-sq. kilometer area in the city of Birjand (South Khorasan Province), said Deputy...
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https://commons.wikimedia.org/wiki/Category:South_Khorasan_Province
Category:South Khorasan Province - Wikimedia Commons
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