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An improved tri-tube cryogenic gravel sampler
[report]
1980
unpublished
Preserved Fulltext
The tri-tube cryogenic gravel sampler has been improved, and accessories have been developed that increase its reliability and safety of operation, reduce core extraction time, and allow accurate partitioning of cores into subsamples. The improved tri-tube sampler is one of the most versatile and efficient substrate sampling tools yet developed.
doi:10.2737/pnw-rn-350
fatcat:3v5eumlwrfdtvdslo4vqmwhjni