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The mystery of the Devil's Caldera

In Minnesota (United States) the flow of a waterfall disappears inside a narrow boiler

In the park Judge CR Magney of Minnesota , in the United States, one of the natural phenomena happens most studied in the world.It is the« Caldera del Diablo&raquo ;, a waterfall whose water disappears inside a narrow caldera.

Crossing the Judge Park flows the river Brute which is born in Lake Vista and travels 65 km until it flows into Lake Superior.When there are only two kilometers to the mouth, the river is divided into two waterfalls.The flow of the first waterfall, about 15 meters, continues its path to Lake Superior while that of the second, known as the Devil's Caldera , about three meters, disappears without a trace.

Until now many studies had been made to try to clarify where the water was lost of this boiler used All kinds of instruments ranging from dyes to water, ping pong balls to submersibles with GPS locators but with few results.

Possible explanation

Some scientists think that water is going through a Underground river to the lake but the last and main theory that two hydrologists of the Department of Natural Resources of Minnesota have developed is that the water comes out practically at the same time it falls through the waterfall.In conclusion, they have reached measuring the flow of the river before and after falling into the boiler.Before the fall, the flow is 3.48 cubic meters per second while after it is 3.42 cubic meters per second, a very small amount that suggests that the water, even without knowing where, returns to the channel almost at the same moment of falling through the waterfall.A mystery was only halfway because¿ where are the ping pong balls, the water held or the GPS devices?

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