Altitude is an attribute of a body, describing its elevation from a known level defined as zero level. Most often this level is defined as the absolute sea level, but it can vary.
Altitude is a one dimensional quantity, measured in the same units as length, most preferably in meters, although the foot[?] is commonly used in aviation.
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... of 2000, there are 4,950 people, 1,924 households, and 1,252 families residing in the town. The population density is 225.9/km² (584.8/mi²). There are 3,878 ...