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- Data on 7 heavy metals are available from samples of Halobates collected from the Pacific Ocean: Cr (chromium), Cu (copper), Pb (lead), Mn (manganese), Ni (nickel), Ti (titanium) and Zn (zinc).
- Creation Date: 1961-1978
- Slides and World War II-era cloth survival charts from the collection of physical oceanographer Robert S. Arthur.
- Creation Date: 1943-1973