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They are lines indicating places with the same altitude. The lines are broken to indicate the height of a place above sea level. They are closer together where the land is steep and wider where the land is gentle |
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This method involves drawing pictures of relief features such as hills, mountains or escarpments at their approximate position on the ground |
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They are short lines laid out in a pattern to indicate the direction of a slope. The lines are thick and closer together where the slope is steep, thin and spread out gently. |
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They represent relief by shading areas that would be in shadow when the light is shining from a given direction. The darker the shade, the steeper the slope. Flat areas are lightly shaded |
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These are survey points represented on a map by a triangle or a circle and a dot at the centre. Next to the triangle/circle is the altitude of the place |
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This method uses different colours or a colour with varying shades to show altitude. This method also uses space between contour lines with colour. Each colour indicates a specific height. |
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These are dots with the actual height of the place or feature indicated |
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It represents relief by drawing wedge shaped black lines in areas with cliffs and rock faces |