Which datum is the North American Datum used as the basis for civil surveying?

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Multiple Choice

Which datum is the North American Datum used as the basis for civil surveying?

Datums provide the reference surface used to position coordinates on the Earth, and for civil surveying in North America the standard reference is NAD83. This datum fixes coordinates to a North American frame so maps, surveys, and GIS data across the region align consistently. NAD83 was developed as a modern, geocentric NA datum and remains the basis for most civil surveying, even though GPS data may be expressed in WGS84—the two frames are closely aligned but NAD83 is the official NA reference for land surveying. The other terms describe general frameworks or global systems (a coordinate system, a projection, or a global datum) rather than the North American basis used for civil work.

Datums provide the reference surface used to position coordinates on the Earth, and for civil surveying in North America the standard reference is NAD83. This datum fixes coordinates to a North American frame so maps, surveys, and GIS data across the region align consistently. NAD83 was developed as a modern, geocentric NA datum and remains the basis for most civil surveying, even though GPS data may be expressed in WGS84—the two frames are closely aligned but NAD83 is the official NA reference for land surveying. The other terms describe general frameworks or global systems (a coordinate system, a projection, or a global datum) rather than the North American basis used for civil work.

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