[Rockhounds] Extreme Rockhounding

[John Junkroski]

I've often wondered what fossils might have come out of the Chicago  
deep tunnel project which was dug for storm water storage and flood  
control.
It includes 109 miles of tunnels from 9 to 33 feet in diameter  
through limestone deep beneath the city.

( another) John

On May 3, 2009, at 7:29 PM, John Siebel wrote:

> So I took today off and watched a Discovery Channel video titled,  
> "Extreme Engineering" that, so far, covered "Widening the Panama  
> Canal", the Boston "Big Dig"', building Hong Kong's Airport and the  
> tunnel under the Alps from Switzerland. All of these entailed  
> massive excavation. Does anyone know if these projects discovered  
> any fun specimens? I would love to have played in the tailing piles  
> of any of these projects.
>
> John
>
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