state three features of contour lines .
Answers
Answer:
Answer:
Contour lines must close, not necessarily in the limits of the plan.
Widely spaced contour indicates flat surface.
Closely spaced contour indicates steep ground.
Equally spaced contour indicates uniform slope.
Irregular contours indicate uneven surface.
Answer:Characteristics of Contours
Must close on themselves, on or off the map
Perpendicular to the direction of max. slope
Slope between them is assumed uniform
The distance between them indicates the steepness of the slope, gentle or steep
Irregular signify rough, smooth signify gradual slopes
Concentric closed contours: hills or depression
They do not cross each other, only in special cases
They do not branch into contours of the same elevation
They do not cross building
They cross horizontal man made surfaces in parallel lines
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