A ___ is a line that indicates a profile on a surface.
contour
Countour line representations are called ____ applied to objects other than surface of the earth.
lofting
define contour map
depicts variations in elevation of the earth in 2-D. A top-view of a surface with contour lines that connect points of equal elevation on the earth surface
define contour lines
horizontal (level) lines that represents constant elevation from a horizontal datum, such as sea level
what is a profile
vertical sections through a contour map that show the earth surface at any desired location.