Explanatory text of geochemical map of Sheshtamad (7561)

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Explanatory text of geochemical map of Bardaskan (7560)

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Explanatory text of geochemical map of Sorkeh (6660): stream sediment survey scale: 100000

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Expanatory text of map of Semnan (6661): Stream sediment survey scale 1:100000

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Explanatory text of geochemical map of Firozkuh (6561): stream sedimen survey scale 1: 100000

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