Mount Thielsen (Big Cowhorn)

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..from CoHwy138. An extinct shield volcano shaped by glaciers. Its "horn" attracts lightning causing the formation of fulgurite(hollow glass tubes)

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John Ewing
NormanOK, AlexandriaVA

Photo details

  • Uploaded on April 21, 2012
  • Attribution-No Derivative Works
    by John Ewing
    • Camera: Canon CanoScan 8800F