University of NH geologists say yes, it is! Also known as a 'Ring Dike', this is all that remains after glacial erosion.

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Learn more at georec.com | Show nearby | Submitter: mmmmna

Cowell Stadium (12.82 mi / 20.64 km)
University of New Hampshire (12.90 mi / 20.75 km)
Gill Stadium (16.05 mi / 25.83 km)
Verizon Wireless Arena (16.21 mi / 26.09 km)
Merchantsauto.com Stadium (16.60 mi / 26.72 km)
Velcro USA, Inc. (17.12 mi / 27.54 km)
Manchester-Boston Regional Airport (17.65 mi / 28.40 km)
New Hampshire State House (18.66 mi / 30.02 km)
Pease International Airport (18.82 mi / 30.29 km)
Franklin Pierce Law Center (19.01 mi / 30.60 km)

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