And it is not only the water in the Yellow River, which flows through nine provinces, that is at risk from contamination.
Rescuers have taken in lights and pumps and are trying to work out how much water is there and whether it is getting deeper in the mine, which is near the River Tawe.
As high as the cliffs go up, it is as deep as that in the middle of the river.
The outflow of the river is about 10% of what it was in the 1940s.
It is designed to prevent river levels in the city from rising too quickly after heavy rainfall, the Environment Agency said.
Central to the deal is the idea that the Pecos river should stay as it was in 1947.
Perhaps there is a solution out there, all it needs is for one of our friendly commenters to tell all in the river of text below.
While Pakret has little to detain the traveller, it is the jumping off point for Ko Kret, a sleepy island in the middle of the Chao Praya River.
It is still not clear why the animals were dumped in the river in the first place or who was behind it, says the BBC's Martin Patience in Beijing.
For instance, if you're diving in the Mississippi River and it's the wintertime, believe it or not the visibility is usually much better than during the summertime.
Across the Amur river in China, it is 140 times as much.
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But unless there was footage that aired in the UK and never made it across the pond, how Rory and River came to meet is never explained.
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After all, it is one that was introduced in the United States into the Mississippi River near Mississippi, and has managed to swim upstream all the way across our country to the point where that river meets up with the Illinois River.
The BBC's Nick Bryant reports from Sydney that the river in Bundaberg is already above the flood levels witnessed in 2010, and meteorologists fear it could rise another metre, reaching levels not seen in 70 years.
It is said that ghosts inhabit the site of the Borden murders in Fall River, Massachusetts, named by the Travel Channel as the scariest place on earth.
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"It is clear that the public do not want raw sewage in this iconic river, through one of the most important cities in the world, " he concluded.
Even though the Sava River bridge is in operation, it requires constant maintenance and reinforcement.
It is feared that this looting could spread across the Zaire river to Brazzaville, in Congo, where Kinshasa's rich have set themselves up.
It is believed to have influenced events as varied as floods along the Mississippi River in 1993 and, later that year, the drought that devastated the African Sahel.
Mr. Grospe, who said he is familiar with that section of the river because he fishes in it, said the cars that did fall into the water ended up on the shallow side, where he estimated the depth at about 10 feet.
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"The individuals born in the late 1980s and early 1990s should survive in the wild, since the Yangtze river system is large and it has some complicated habitats where the paddlefish could hide, " he says.
The Blackfoot is the river Norman Maclean penned eternal in A River Runs Through It, his autobiographical account of two brothers finding grace through fly-fishing in the 1940s, which Robert Redford turned into a movie in 1992.
It is in Manhattan, not far from the George Washington Bridge with a great view of the Hudson River.
And for some mighty companies: Though Charles River is coy about its clients, it is thought to have helped in the development of Pfizer's Viagra and Schering-Plough's Claritin.
The force said people had been out on the river in boats and although they "understand their willingness to help, it is not a safe environment and could hamper the co-ordinated search".
Crossing downtown Seoul is the Cheonggye stream -- a river that was covered by a road until it was unearthed in 2005 and transformed into one of the city center's most popular urban oases and worth a stroll in the evening.
For all of its miraculous strength in keeping the river at bay, the wall has been weakened and, once exposed, it is vulnerable.
"Whether it is a high water level or low, the Merced River flows year round and the current can pull anybody in, " said Gediman.
Perhaps the most famous example is the Cuyahoga River, which was so covered with pollution and industrial waste that in 1969 it literally caught fire.
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