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            This is a file from the  Wikimedia Commons. Information from its  description page there is shown below.  Commons is a freely licensed media file repository.  You can help. 
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           | Description | 
           
             English: A tiltmeter, used to monitor Mauna Loa. From  . 
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           | Date | 
           2006-06-11 (original upload date) | 
          
          
           | Source | 
           Transferred from  en.wikipedia | 
          
          
           | Author | 
           Original uploader was  Worldtraveller at  en.wikipedia | 
          
          
           Permission ( Reusing this file) | 
           
             PD-USGOV-INTERIOR-USGS. 
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         Licensing 
        
         
          | Public domainPublic domainfalsefalse | 
         
        
        
         
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          This image is in the  public domain because it contains materials that originally came from the  United States Geological Survey, an agency of the  United States Department of the Interior. For more information, see  the official USGS copyright policy. 
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