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Byrd Station Entrance D-8
Buildings 50 feet under glacier in arched tunnel
Walkway past buildings in tunnels
Walkway to connecting tunnel
Byrd walkway by buildings in tunnels
  Byrd deep ice core drill.jpg - A core of glacier ice was retrieved by drilling 7,000 feet down to bedrock. The core samples were flown back to the USA in a frozen state for study.  Air bubbles trapped in the glacier at each depth provides a way to measure carbon dioxide levels, atmospheric contamination, volcanic ash, and other climate and geological data dating back hundreds of thousands of years.  
EMC Officer in Charge Byrd Station
Byrd OinC Office for EMC
Byrd Station main tunnel
D-8 Cat in vehicle tunnel and entrance
Pushing up out of entry ramp

A core of glacier ice was retrieved by drilling 7,000 feet down to bedrock. The core samples were flown back to the USA in a frozen state for study. Air bubbles trapped in the glacier at each depth provides a way to measure carbon dioxide levels, atmospheric contamination, volcanic ash, and other climate and geological data dating back hundreds of thousands of years. Download
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OPERATON DEEPFREEZE, ANTARCTICA 1966-67