NISTsqrMeterTOsqrMileUSsurvey converts from square meter (m2) to square mile (based on U.S. survey foot) (mi2) 7
square meter (m2)
square mile (based on U.S. survey foot) (mi2) 7
National Institute of Standards and Technology (NIST), 2014 NIST Guide to SI Units B.8 Factors for Units Listed Alphabetically http://physics.nist.gov/Pubs/SP811/appenB8.html
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