Findings:

• Isotope Hydrology
• miss sparky (user)
• Sparky and the Dark
• Sparky Anderson
• Old Sparky
• Sparky's
• Sparky the Computer
• sparky (user)
• Ol' Sparky
• Sparky
• Isotopes with half-lives between 100 million and 10 billion years
• Isotopes Park
• Albuquerque Isotopes
• isotope fractionation
• stable isotope geochemistry
• stable isotope
• naturally occurring radioactive isotopes
• Isotopes of Hydrogen
• Isotope 217
• isotope

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