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Southwest WA “Mima Mound Mystery Solved”


“Spring wildflowers carpet Mima Mounds National Area Preserve.”
Photo credit: Washington State DNR

“A new twist on an old mystery may finally settle the debate over the origin of Mima mounds, which bulge out of the ground like enormous, grass-covered bubble wrap in western Washington.

Mima mounds (sounds like dime-a) were named in 1841, when a vast pimply prairie (the Mima Prairie) was discovered in western Washington during the United States Exploring Expedition. In the centuries since, the source of this strange landscape has defied explanation. A single field may be covered in a million mounds that are several thousand years old, yet no builder has ever been found.”

“Now, a study analyzing the interplay between gopher and ground vindicates the humble rodent,” quoting Live Science.
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– UPDATE: January 4,. 2014
“Virtual gophers dig up Mima mounds mystery”
“Local scientists put the brakes on California geologists theory”
By Craig Sailor in The Olympian
Read more

Posted by Steve on December 18, 2013 at 6:32 am | Permalink

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