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Instructions:
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View Full Size:
nf1411
File Size:
202 KB |
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CATEGORY: |
Drilling |
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DESCRIPTION: |
Large diameter bits are used to drill "Big Holes" at the Nevada Test Site. Big holes measure from 36 to 144 inches in diameter with depths from a 500 to 5,000 feet.Above the bit are massive steel collars measuring just a few inches less than the bit and weighing up to 450,000 lbs. |
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DATE: |
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NUMBER: |
NF-1411 |
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CREDIT: |
Photo courtesy of National Nuclear Security Administration / Nevada Site Office |
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FULL SIZE: |
nf1411 |
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HELP GUIDE: |
Viewing Instructions
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FAQs |
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How to order or
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Should these photos be used in any manner that requires a credit
line, the wording should read: "Photo courtesy of National Nuclear
Security Administration / Nevada Site Office".
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