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Technology & Engineering of Sand Mining

Grade Level Grades 6-8
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Let’s say that you have a super-sub sandwich with tons of meats, cheese, lettuce, tomatoes, and the works all layered together. Your challenge is to “mine” out one select layer of ham, sandwiched in the middle, by pinching out finger-sized bits from above and below. And after you’ve removed all the ham, you somehow have to put the sandwich all back together so it looks the same (minus the ham) as before you started. Impossible? With a sandwich, maybe it is. But how do industrial sand miners do something very similar on hundreds of acres of landscape? The answer is that they use a "geomorphic mine reclamation plan".

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