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| U.S. Geological Survey Open-File Report 2004-1350 |
Figure 2.10. Plot of the organic carbon index (LOI), short lived isotopes, texture and selected elements for core 6. It is note worth that between 1950 and 1965, there was a decrease in aluminum, vanadium, and loss on ignition. During thai period the zinc and lead began to increase. One feature of note is that during the flood that accompanied Hurricane Agnes, there is an increase in all substances.
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