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Fortymile River, Alaska

It is a major tributary of the Yukon River The site of Alaska's first major gold rush in 1886, the history of the area is written in the cabins and mine workings along the stream Gold prospectors gave the Fortymile River its name It joins the Yukon River about 40 miles below Fort Reliance, an ,...

Quantification of floating riverine macro

A new algorithm has been developed to quantify floating macro-debris transport on river surfaces that consists of three fundamental techniques: (1) generating a difference image of the colour ....

"How To Find Gold On The American River"

Apr 17, 2016· this is how to find gold the top layers suck ,,moving bolders alone i found ,,to be how i could find better finds...

Are Sea Mines Still Dangerous?

Aug 23, 2000· Anti-personnel land mines can have as little as 3 pounds of explosives and can cost as little as $3, while sea mines typically carry 500 pounds of explosives and even a low-technology moored mine ....

Gold Mining Basics

Nov 22, 2018· I am back! Well, sort of I've had a short break to get on top of a few things and that will continue for a little while but I felt the need to upload this, let me explain Coming into Christmas ....

An Evaluation of Pixel

Ship-based automatic detection of small floating objects on an agitated sea surface remains a hard problem Our main concern is the detection of floating mines, which proved a real threat to shipping in confined waterways during the first Gulf War, but applications include salvaging, search-and-rescue operation, perimeter, or harbour defense...

Indicator Loops and Anti

Indicator Loops and Anti-submarine Harbour Defence in Australia in WWII , submarine detection methods Many different techniques for the detection of submarines have been developed, used and sometimes discarded in the century just , floating mine was designed and used during the American Revolution In 1776 David...

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