Ogra mine
The Ogra mine is a large salt mine located in central Romania in Mureș County, close to Ogra. Ogra represents one of the largest salt reserves in Romania having estimated reserves of 100 billion tonnes of NaCl.[1] References
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Ogra mine
The Ogra mine is a large salt mine located in central Romania in Mureș County, close to Ogra. Ogra represents one of the largest salt reserves in Romania having estimated reserves of 100 billion tonnes of NaCl.[1] References
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