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Group Description


The Mining Amateur Radio Club

For 3M Employees, retirees, and family members

Click here for the MARC Membership Application

Click here to E-mail MARC


Legal Disclaimer: This Website is maintained and operated by The Mining Amateur Radio Club. 3M does not participate in the operation of this Website. Any concerns about this Website should be referred to the site's

Group Information

Group Settings

  • This is a restricted group.
  • Attachments are permitted.
  • Members cannot hide email address.
  • Listed in Yahoo Groups directory.
  • Membership requires approval.
  • Messages are not moderated.
  • All members can post messages.

Group Email Addresses

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