How to read topographic maps<br>Use the thicker contour lines to determine the elevation. Contour lines represent paths or segments of the earth. Topographic maps are covered in contour lines.
The thicker contour lines on a topographic map can be used to find elevation
( z1 possible :ARG1 ( z2 use :ARG1 ( z3 line :mod ( z4 contour ) :location ( z5 map :mod ( z6 topographic ) ) :ARG1-of ( z7 thick :ARG2-of ( z8 have-degree :ARG1 z3 :ARG3 ( z9 more ) ) ) ) :ARG2 ( z10 find :ARG1 ( z11 elevation ) ) ) )