The Year The Army Stopped Niagara Falls
By Annalee Newitz | io9.com
In 1969, the Army Corps of Engineers accomplished an awesome feat: They turned off Niagara Falls. They did it to clean up the area, and check for structural integrity. Here are pictures of this bizarre episode in structural engineering history.
These pictures were taken by tourists who visited the dry falls in 1969. Environmental design blog Mammoth explains the context:
For six months in the winter and fall of 1969, Niagara’s American Falls were "de-watered", as the Army Corps of Engineers conducted a geological survey of the falls’ rock face, concerned that it was becoming destabilized by erosion. During the interim study period, the dried riverbed and shale was drip-irrigated, like some mineral garden in a tender establishment period, by long pipes stretched across the gap, to maintain a sufficient and stabilizing level of moisture. For a portion of that period, while workers cleaned the former river-bottom of unwanted mosses and drilled test-cores in search of instabilities, a temporary walkway was installed a mere twenty feet from the edge of the dry falls, and tourists were able to explore this otherwise inaccessible and hostile landscape.
Photos from: Russ Glasson’s Flickr stream.
Article from: io9.com
Ed Note: The Canadian side of Niagara Falls ("Horseshoe Falls") were left untouched in 1969, not a part of the American geological survey.
~Niagara originates from the Neutral Indian name "Ongniaahra"
meaning: "Thunder of Waters"
~Niagara Falls is the third greatest waterfall in the world in terms of volume of water:
Boyoma [Stanley] Falls - Congo - 17,000 m3/sec
Khone Falls - Laos - 11,610 m3/sec
Horseshoe Falls - Niagara Falls - 5,830m3/sec
~In 1896 Nikola Tesla developed a technology (Tesla Coil) which helped transmit electricity from Niagara Falls to Buffalo, New York.
~The Canadian Falls (Horseshoe Falls) are 167 feet high and 2,500 feet long, with 90 per cent of the water flow. The American Falls are 176 feet high and 1,100 feet long with 10% of the water flow.
absent rivers, ephemeral parks
Latest News from our Front Page
Benjamin Netanyahu's Full Speech to Congress
Here is the full speech of Pathological Zionist Liar Benjamin Netanyahu to the United States Congress.
"And the Oscar goes too ...."
Description from YouTube: Prime Minister Benjamin Netanyahu of Israel used one of the most prominent platforms in the world on Tuesday to warn against what he called a “bad deal” being negotiated with Iran to freeze its nuclear program, bringing ...
The FDA Admits That Prior to 2011 Over 70% of U.S. Chickens Contained Cancer-Causing Arsenic
Prior to 2011, the cancer-causing toxic chemical Roxarsone, which in high doses could kill you, was being added to chicken feed on purpose, giving store-bought chicken the illusion of healthy coloring and plump appearance. Shockingly, this was the case with more than 70 percent of all U.S. chickens! A recent article was published stating that this continued to be the ...
The Truth About Starbucks New Coconut Milk: It Isn’t Really Coconut Milk
In an attempt to appeal to the non-dairy crowd, Starbucks is bringing “coconut milk” to the masses. After a successful trial run in select cities at the behest of their customers, Starbucks has decided to push forward with their dairy alternative.
Providing a non-dairy alternative to dairy and soy is the second most requested customer idea of all time from MyStarbucksIdea.com, ...
USDA on board with shipping U.S. chickens to China for processing, then re-entry to States for human consumption
“Chinese chicken” will soon have a whole new meaning, as the U.S. Department of Agriculture recently gave the green-light to four chicken processing plants in China, allowing chicken raised and slaughtered in the U.S. to be exported to China for processing, and then shipped back to the U.S. and sold on grocery shelves here. Furthermore, the imported ...
Feinstein: Netanyahu does not speak for all Jews
US Senator Dianne Feinstein, chair of the Senate Select Committee on Intelligence, has denounced Israeli Prime Minister Benjamin Netanyahu as an “arrogant” man who does not speak for all Jews.
The Jewish lawmaker made the remarks in an interview with CNN on Sunday ahead of Netanyahu's controversial visit to the United States.
The Israeli premier arrived in Washington, DC, on Sunday night ...
|More News » |