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What is an Aquifer?

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I have mentioned these before, but it was time to go over What is an Aquifer?
Thanks to National Geographic for breaking this down into something easy to understand.
All images used are public domain; licensed under Creative Commons with attribution; or used with permission.
Thanks to National Geographic for breaking this down into something easy to understand.
All images used are public domain; licensed under Creative Commons with attribution; or used with permission.