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topographic map
(redirected from Topo map)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
topographic map

A map that shows the contours of the land via a two-dimensional drawing with multitudes of contour lines showing changes in elevations.Each map has its own scale.The contour lines indicate a change in elevation by the scale amount. For example, each line might represent a 1-foot change in elevation. The distance between the lines can be computed by reference to the distance scale.For example,1 inch might equal 50 feet.Two contour lines that are 1 inch apart would indicate a grade of 1 foot over the course of 50 feet, which is very gentle. The closer the lines on the topographic map, the steeper the incline.



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[ILLUSTRATION OMITTED] Along with making phone calls, obtain all possible resource materials, starting with topo maps and aerial photos.
Children ride on the backs of water buffalo; clouds of dragon flies linger languidly in the sky; small red bridges like mini "Golden Gates" hang over rushing rivers; women's hands stained blue from dye proffer local handicrafts; water falls stream over mountainsides; giant bamboo trees rustle in the breeze; white, blue, and gray fills the sky; terrace fields resemble topo maps, the lines of elevation in an architectural model, layered cake; soundless lightening fills the night sky.
This unit can download fully detailed topo maps, which makes it great for the woods, and you can plan your trips on your home computer, then load them into the GPS before you head out.
 
 
 
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