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The Secrets of Groundwater
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Even though groundwater supplies about half of the water we use, groundwater is hard to observe and understand. Learn the secrets of groundwater, and how geologists study this precious resource with a short hike.
All visitors over 2 years of age must wear a mask indoors at all times. Unvaccinated visitors should also wear a mask outdoors when physical distancing (six feet from other people) is not possible.