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WATER CYCLE DISCOVERERS

  • Research by Robert E. Horton
    1900 BCE

    Research by Robert E. Horton

  • Discoveries by Pierre Perrault
    1650 BCE

    Discoveries by Pierre Perrault

  • Studies by Leonardo Da Vinci
    1470 BCE

    Studies by Leonardo Da Vinci

  • Investigations by Marcus Vitruvius
    1000 BCE

    Investigations by Marcus Vitruvius