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The Boston Mountain Grotto of Northwest Arkansas is an internal organization (local chapter of the National Speleological Society . Meetings are held on the second Thursday of each month (except for December's Christmas Party) at 7:30 PM at Lake Fayetteville Environmental Study Center. (Temporary changes to meeting date and/or time are noted in Membership Announcements.) Membership dues are $6.00 per year, with discounts for multiple members from the same household. For further information e-mail bmg@caves.org.
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