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4 days ago · However, it is probably only a matter of time before the government agencies convert to using NAVD 88 datum, which for our area is about 0.51 ft. higher. When looking at drawings, surveys, or other elevation information, make sure that you know which datum is being utilized.
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1 day ago · NAVD 88: N. American Vertical Datum 1988: ... and the elevation of an aircraft may be known. ... surveyors use absolute locations to make maps and determine property ...
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4 days ago · In 2015, Canada adopted a new height reference system: Canadian Geodetic Vertical Datum of 2013 (CGVD2013). It replaced the Canadian Geodetic Vertical Datum of 1928 (CGVD28). The new system corrects for systematic errors in the old datum, and is realized by a geoid model instead of a network of benchmarks whose heights are measured by levelling.
4 days ago · Stream water level elevation above NAVD 1988, in feet Most recent instantaneous value: 932.32 04-23-2024 20:15 EST Add up to 2 more sites and replot for "Stream water level elevation above NAVD 1988, in feet"
3 days ago · Water lake or reservoir water surface elevation above navd 1988, ft levels at Baker Lake At Upper Baker Dam Near Concrete are currently 711 ft, about 100% of normal. The average for this time of year is approximately 709.8ft. Maximum recorded Lake or reservoir water surface elevation above NAVD 1988, ft since record keeping began in 2007 was ...
5 days ago · The elevation of this station has been determined to be 0.0 feet above NGVD 1929. To obtain water-surface elevation values in NAVD 1988 subtract .86 feet from NGVD 1929 values. This station managed by the Houston Field Unit. Summary of all available data for this site. Instantaneous-data availability statement.
