Elon Musk referenced a Pennsylvania limestone mine where federal employee retirements are processed, but the mine's story is complicated.
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The federal government still processes retirement applications manually in a Pennsylvania limestone mine, a system Elon Musk ...
Hundreds of federal workers process thousands of retirement applications every month, by hand in a converted former mine.
In the Oval Office on Tuesday, Elon Musk said the government stores and processes retirement paperwork in an old limestone ...
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