12-21-2017, 04:20 PM
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#5
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Senior Member
Join Date: Mar 2008
Location: Welch Island and The Taylor Community
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An ancient volcano was centered near the Gilford/West Alton town line just off 11A.
https://pubs.geoscienceworld.org/gsa...dFrom=fulltext
Mt Major lies on the inner ring dike and Rattlesnake Island on the outer ring dike.
https://www.winnipesaukee.com/forums...ight=ring+dike
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