blue
contour lines
black
index contour lines have numbers contour lines dont
The darker contour lines on map are called index contour lines. Numbers that indicate elevations are often written on these lines.
Hachured contour lines are contour lines with ticks pointing downslope that indicate a depression on a topographic map.
Contour lines are lines that connect points of equal elevation. A topographical map is a map that uses contour lines to represent the elevation of land surfaces.
Contour lines connect points with the same what?
The closer the contour lines, the steeper is the slope.
countour intervals
The scale of contour lines on a topographic (terrain) map is called the "contour interval".
contour lines