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Squirrel Girl cbk: Rippled Glauconitic sand on the seafloor
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Squirrel Girl cbk: Launching the Johnson-SeaLink I
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Squirrel Girl cbk: Extracting smaller cores from a larger box core
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Squirrel Girl cbk: Working with a core on the fantail.
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Squirrel Girl cbk: Collecting a core
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Squirrel Girl cbk: Chemistry lab on the R/V Cape Hatteras
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Squirrel Girl cbk: R/V Cape Hatteras
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Squirrel Girl cbk: Glauconite grains by color