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The lines that connect points having the same elevation are a kind of isopleth called contour lines, or contours.

The closer that the lines are on the map the steeper the terrain is.

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13y ago
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14y ago

The Contour lines on a topographic map measure land elevation. The closer the lines are together, the steeper the land is. Usually every contour line on a map has a specific measurement. So, if the contour line is 50 feet on a certain map and you have two contour lines crossing your trail during one mile of your trek, you would be rising or falling 100 feet during that mile. I hope this answers your question.

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14y ago

These lines represent elivation change on the map. The close the lines are together the steeper that area is. In order to know which direction the change is in you have to look at numbers that should be on the lines. if you find two numbers that are on the same slope and compare them you can tell if it is a hill or a valley that is represented on the map.

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Q: What do the lines on a topographical map mean?
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