Template:NAVD88
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Purpose
In North America elevations are given using either Sea Level Datum of 1929, also called the National Geodetic Vertical Datum of 1929 (NGVD 29) or the North American Vertical Datum of 1988 (NAVD 88). Confusion often occurs when a user sees an elevation value using the newer datum. The typical reaction is to assume the elevation is incorrect and in fact the user can find reliable documentation based on the Sea Level Datum of 1929 to support their assumption. This simple template will aid editors to document that the North American Vertical Datum of 1988 is being used.
Usage
The elevation of [[Mount Whitney]] is {{convert|14505|ft}}{{NAVD88}} → The elevation of Mount Whitney is 14,505 feet (4,421 m) NAVD 88