http://pid.geoscience.gov.au/def/voc/ga/igsncode/PistonGiant
| contributor | IGSN Technical Committee | ||||||
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| source | Irina Bastrakova | ||||||
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| definition | Also called Jumbo Piston Core. Designed to large diameter (4.5”) undisturbed cores up to 100 feet (>30 m) long | ||||||
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| in scheme | IGSN codelist original | ||||||