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If you look at the map itself, you'll see that some contour lines are darker than others and are often labeled with numbers corresponding to the elevation in feet or meters. This allows you to find a reference elevation pertaining to a spot on the map close to or within the area you'l...
Contour interval:The change in elevation from one contour line to the next is always the same within the same map. Many maps have either a 40- or 80-foot contour interval: An 80-foot interval simply means that each contour line is 80 vertical feet away from the next closest line. You ...
Next, lay your hand flat with your palm on the table. Find the spread out contour lines on the back of your hand, indicating a gentle slope. Notice the “v” shaped topo lines where the ravines were between your fingers. The areas by your fingers have contour lines that are close toge...
The contour line traces the outline of the terrain at evenly spaced elevations. These are determined by the contour interval. The contour interval is found below the map scale. For this map, the contour interval is 20 feet. That means that every time you go up to another brown line the ...
Look in the margin of your map to find out its contour interval. To make topographic maps easier to read, every fifth contour line is an index contour. Because it's impractical to mark the elevation of every contour line on the map, the index contour lines are the only ones labeled. ...
If you have a printed map, look for the contour interval listed on the bottom. If you are looking at a digital map, you can usually click (or right-click) on a point to get the elevation based on the contour lines.Here's a flat topographic map laid over a Google Map 3D model. ...
The space between the contours is known as the contour interval. This is the difference in elevation between each line, and every map will include this interval in its legend or near its scale. If the contour interval is 50 feet, that means that, as you leave one line and move to the...
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