The above image is a basic representation of a topographic map. It primarily shows the elevation of an object through the use of contour lines. It also represents the size and shape of the feature. When describing certain objects, the largest contour line surrounds the base of the object and and its height above sea level. As the lines, or circles, get smaller, the elevation of the feature increases as recorded by the number corresponding to that line. The rate of elevation can be depicted by how close or how spread out the lines are with respect to each other.
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