Groundwater: Making the invisible visible through Rotary
By Erica Gwynn, Area of Focus Manager for Water, Sanitation, and Hygiene (M.S., MPH) What if I told you that you were standing on top of a treasure – a treasure that is hidden from view, slowly flowing between cracks and spaces of the soil, sand and rock beneath your feet? I’m speaking of a … More Groundwater: Making the invisible visible through Rotary