Op Tube


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  • #63
    Bob
    Member

    Very interesting pictures of the Op tube. Can you describe what we are seeing in that folder? Thanks
     

    #1445
    mike
    Member

    I’ve added descriptions to the ob tube photo,s. Basically it is a 30 foot deep tube with a small room on the end that is inserted in the ice for viewing fish and seals.
    mike

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