Not of this world? Mono Lake's tufa towers formed underwater from calcium carbonate, or limestone. They are exposed because the lake has dropped dramatically since 1941 when fresh water flowing into it was first diverted to Los Angeles.
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Not of this world? Mono Lake's tufa towers formed underwater from calcium carbonate, or limestone. They are exposed because the lake has dropped dramatically since 1941 when fresh water flowing into it was first diverted to Los Angeles. |
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