North American Datum of 1927

https://www.wikidata.org/wiki/Q993433

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Parent
Geography 11.1M papers	Geology 9.1M papers	Oceanography 2.4M papers	Cartography 1.2M papers
Geodesy 727k papers	Geodetic datum 31k papers	Bathymetry 24.7k papers
Current
North American Datum of 1927 881 papers
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