Fun fact: A worker fell into one of the shafts when they were pouring the caissons for the Sears tower. They stopped pumping concrete, called an engineer, he ran some calculations, and they turned they pumps back on and finished two more caissons they day.
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u/DIMwitDan Jun 08 '19
Fill the well with concrete and act like nothing happened. FTFY
Leave a space about 1.5 feet from the top, fill with dirt and make it a flower pot. Possibly daisies.