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.
Some types of maps can be used to determine elevation
( z1 possible :ARG1 ( z2 use :ARG1 ( z3 map :mod ( z4 type :mod ( z5 some ) ) ) :ARG2 ( z6 determine :ARG0 z3 :ARG1 ( z7 elevation ) ) ) )