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What Are the Lines on a Topographic Map Called?

A contour line is a line drawn on a topographic map to indicate ground elevation or depression. A contour interval is the vertical distance or difference in elevation between contour lines. Index contours are bold or thicker lines that appear at every fifth contour line.

What Are the Lines on a Topographic Map Called?

A topographic map is a map that shows natural and manmade features on the earth‘s surface. The lines on a topographic map are called contour lines.

Contour lines are used to show the shape of the land. They are also used to show the elevation of the land. Contour lines are created by taking measurements of the land‘s elevation.

The measurements are taken at regular intervals. The contour lines are then drawn on the map. The spacing of the contour lines is called the contour interval.

The contour interval is usually given in feet or meters. The contour lines on a topographic map can be used to determine the elevation of any point on the map.

To do this, you would find the point on the map that you are interested in, and then you would follow the contour line to the nearest labeled contour line.

The elevation of the point is then determined by the elevation of the contour line. Contour lines can also be used to determine the slope of the land. The slope is the rate of change in elevation.

To determine the slope, you would find the point on the map that you are interested in, and then you would follow the contour line to the nearest

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