Assertion: acre's value | /r/HasProperty | established bi the mendenhall order
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Source sentences:
text: The U.S. survey acre is aboot 4,046.872 609 874 252 square metres; its exact value (4046 13,525,426/15,499,969 m2) is based on a inch defined bi 1 metre = 39.37 inches exactly, as established bi the Mendenhall Order.