Saturday, January 30, 2010

Topographic Map

http://www.csus.edu/indiv/s/slaymaker/archives/geol10l/ocean4.jpg

Topographic Map of the Mariana Trench, the lowest elevation of Earth's crust, measuring approximately 36,200 ft deep!!!
Topographic maps are known for showing great detail about the particular area, which, on this, we see various labeling (ie: Challenger Deep in the lower left hand of the map, the deepest point of the trench), depth markings, symbols, and contour lines to show the terrain of the trench in full detail.
Could also be classified as an isoline map for it's 2demensional representation of a very 3demensional area of the Ocean (as shown by the contour lines).



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