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What is the use of a depression contour?
Hachured lines, which are little ticks pointing downslope on a contour line, symbolize a depression. This shows that the elevation is now decreasing.
What do the numbers on index contour lines indicate?
The numbers of contour lines indicate altitude or elevation along that line.
Contour lines that are widely space indicate what?
If the contour lines on a topographic map have wide spaces in between and are further apart then the terrain is relatively flat. If the contour lines are close together then the terrain forms a steep slope.
What do elevation maps use to show elevation?
Maps can show elevation with contour lines
How do you determine the elevation of unlabled contour lines?
The distance in height between contour lines should be stated in the map's legend. If the contours are stated in the legend as being 50 metres apart, then count the lines upwards from a contour that has a height against it, and multiply by the number of unlabelled lines.
