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How to empty a lake.

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That's awesome! Especially how the river started flowing backwards to refill the lake from the Gulf of Mexico.
 
This is one of those times you dont want your name on the permit.

Wish we had the whole event in HD. damn you 1980s
 
a little off topic but i was watching that show Mysteries at the Museum a couple of weeks ago and they did a bit about digging the NY subway tunnels under the East river in 1916.

the tunnel was about half way across the river and about 50 feet below the bottom of the river when all of a sudden there was a hissing noise. tools started to move, hard hats got sucked off and the men at the rock face started to get pulled up to the top of the tunnel. it was a blow out caused by too much air pressure in the tunnel. 3 men got shot out of the tunnel, through 50 feet of earth up through the river and 25 feet into the air. 2 of them died.

"The first thing that told me something was wrong," he related yesterday, "was when I saw an opening in the earth ahead of the shield which was used to protect the tunnel as we went along. The hole was then about eighteen inches in size. Frank Driver, my partner, and I grabbed hold of a big plank and threw it at the hole to stop it up. I found that the air pressure was pushing me toward the hole, and I tried to save myself by grabbing the air pipes. I missed them, and then I felt myself being pushed into the hole.

"As I struck the mud it felt as if something was squeezing me tighter than I had ever been squeezed. I was smothered and I guess I lost consciousness. They tell me I was thrown about twenty-five feet above the water when I came out, but I don't remember that.

"I am a good swimmer and I kept my mouth shut and came up to the surface. I had on my big rubber boots and they bothered me but I managed somehow to keep my head above the surface. My left leg was numb but I could move it. Finally men on a pier threw me a rope and I held on until I was taken out of the water."

Mabey is 28 years old and has a wife and four children. Mrs. Mabey made this comment about the accident:
Click to expand...

http://www.nycsubway.org/wiki/Tells_How_It_Feels_to_Go_Up_In_A_Geyser_(1916)
 
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