by Chuck Thibault
On Oct. 21, 2022, the Mississippi River reached a record low stage of -10.8 feet (173.2 feet NAVD88) at the Memphis Mississippi River Gage. While drought conditions leading to the low levels have eased, the record low stage highlights our dependence on precipitation and our vulnerability to drought. Additionally, when the low river level was visible, one could walk to the riverbank and see the low river levels.
Unlike the river, the groundwater beneath our feet is n...
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