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Also found on the banks of the Rio Grande in Messilla Valley NM. I believe the area is around 36 million years old. It is very heavy for it's size, it had a fairly flat surface on one so I decided to grind it further then polish and the substrate revealed was odd or maybe completely normal. Also it is very attracted to a magnet, not sure if this means anything.
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- fossil lover
- new mexico
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Hi all, Came across this, and thought it might interest a few of you: http://interestingengineering.com/these-impressive-tunnels-were-dug-by-ancient-giant-sloths/ Those ground sloths are really my favorite, they're gigantic but still have a cute/gentle look. And they're architectural masters too. Max