| Topography is depicted on maps by contour lines, hypsometric tints, and relief shading. |
| He indicates a small arrow in the middle of an ocean of contour lines. |
| He pulled out a map and showed me where we were, and how the contour lines mushed together into one striped band. |
| Drumlins become apparent by examining the contour lines of the topographic map for the Peterborough area. |
| Ask them to refer to Harris' sketch for use of contour lines and crosshatching. |
| To make things as simple as possible I decided to concentrate on images of flat emptiness, avoiding mountainous areas where the contour lines jostle against each other. |
