| 41. | Meanwhile, Songhai seizes the salt mines of Taghazza in 1493.
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| 42. | In fact the English translation of Ocna is salt mine.
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| 43. | But their bodies were found buried in an old salt mine near the checkpoint.
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| 44. | Salt mining is also a special skill of tourist attraction.
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| 45. | About 1.2 million people visit the Wieliczka Salt Mine annually.
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| 46. | The Retsof salt mine was the largest in North America.
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| 47. | The vicinity traditionally contained are salt mines and arable lands.
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| 48. | The SWS runs a salt mine in the Heilbronn area.
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| 49. | In 1978 UNESCO decided to list Wielick salt mine as a world cultural heritage.
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| 50. | The masters were simply boxed and put in storage in a salt mine near Wichita.
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