Great Potomac Falls
For the past several thousand years, more precisely 35 thousand years, these waterfalls exist in the United States. We are talking about the Great Falls of the Potomac (Great Falls…

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Fish ponds
An artificial reservoir designed for breeding fish must comply with very many standards necessary for its normal functioning, and accordingly, for the sustenance of fish, their growth and reproduction. An…

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The greatest waterfalls of the Eastern Hemisphere
For the past several thousand years, more precisely 35 thousand years, these waterfalls exist in the United States. We are talking about the Great Falls of the Potomac (Great Falls…

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Water location
Depending on the location on the relief, in the riverbed, floodplain all water bodies are divided: • on reservoirs on the relief (basically, these are reservoirs-digging), which, in accordance with…

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The coastline of the reservoir.
  We make the coastline: pick up a few dozen stones of the same size and shape and lay them along the edge of the reservoir, like a string of…

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