A 3-D flyby is one way to see Earths
shape, but being able to read the information from a
flat map is much more convenient. A special kind of
map, called a topographic map, uses contour lines to
represent the shape of surface features.
! Examine this aerial photo to interpret
the shape of the land. Click the Identify button to
check your interpretation. Click the other buttons to
see how the area is represented on a topographic map.