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Assuming you are talking about elevation contour lines:

1. elevation above mean sea level, usually in meters or feet (with a number on the contour line)
2. shape of slope (direction and curve of contour line)
3. steepness of slope (contour interval)

2007-10-09 10:42:43 · answer #1 · answered by minefinder 7 · 1 0

Hills, Valleys, and Plains

2007-10-09 17:32:20 · answer #2 · answered by Eric MP S 2 · 0 0

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