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A spot height is an exact point on a map with an elevation recorded beside it that represents its height above a given datum. [1] In the UK this is the Ordnance Datum . Unlike a bench-mark , which is marked by a disc or plate, there is no official indication of a spot height on the ground although, in open country, spot heights may sometimes be ...
The elevation of a geographic area may be stated in several ways. These include: The maximum elevation of the area (high point); [a] The minimum elevation of the area (low point); [b] The arithmetic mean elevation of the area (statistical mean elevation); [c] The median elevation of the area (statistical 50% elevation); [d] and; The elevation ...
MountainPeaks.net.Mountainpeaks.net, 2011. Retrieved 2011-01-29. Notes: All Northern Florida Highlands peaks and Brooksville Ridge peaks except Citrus County High Point, Frazee Hill, Oak Hill, Pasco County High Point (Unnamed peak near Jessamine Lake Northeast), and Unnamed Peak southeast of Brooksville
The topographic elevation of a summit measures the height of the summit above a geodetic sea level. [2] [3] The topographic prominence of a summit is a measure of how high the summit rises above its surroundings. [4] [3] The topographic isolation (or radius of dominance) of a summit measures how far the summit lies from its nearest point of ...
The term is generally applied to any item used to mark a point as an elevation reference. Frequently, bronze or aluminum disks are set in stone or concrete, or on rods driven deeply into the earth to provide a stable elevation point. If an elevation is marked on a map, but there is no physical mark on the ground, it is a spot height.
This is a list of places on land below mean sea level.. Places artificially created such as tunnels, mines, basements, and dug holes, or places under water, or existing temporarily as a result of ebbing of sea tide etc., are not included.
This is the most common way of visualizing elevation quantitatively, and is familiar from topographic maps. Most 18th- and early 19th-century national surveys did not record relief across the entire area of coverage, calculating only spot elevations at survey points.
Mount Mitchell (Attakulla in Cherokee) [3] is the highest peak of the Appalachian Mountains and the highest peak in mainland North America east of the Mississippi River.It is located near Burnsville in Yancey County, North Carolina in the Black Mountain subrange of the Appalachians about 19 miles (31 km) northeast of Asheville.