RefQ: The Exact Elevation on the Plaza 6992.76 Feet

Someone called the reference desk to ask for the exact elevation of Santa Fe. There is a National Geodetic Survey marker on the "granite war veterans monument in center of city plaza in center of north side of the base about 1 ft. above the ground... The disk is stamped 'Santa Fe 1933 6989.336'  " So says the NGS Data Sheet.

In 1991 the number was amended. The 'scaled adjusted' height is now given on the data sheet as 6992.76 feet. "The orthometric height was determined by differential leveling and adjusted by the NATIONAL GEODETIC SURVEY in June 1991. WARNING-Repeat measurements at this control monument indicate possible vertical movement."

Possible vertical movement?! The data sheet link we have here is a local copy. If you want to see it at the source, you can pick your way into the datasheets from the National Geodetic Survey home page , but there doesn't seem to be a way to construct a direct link.