Work on your own and complete questions 1 and 2. Then work with a partner for question 3. 1. Look at the diagram above showing raw data. Make a copy of the area shown in the drawing and draw contour lines at 50 m intervals. The following contour lines must appear on your drawing 100 m-130 m, 200 m, 250 m, 300 m, 350 m, 400 m, 450 m, 500 m. Use the numbers on the map to help you estimate the position of the contour lines. The diagram to the right shows how to estimate the position of contour lines between spot heights 2. Examine the diagram you have drawn What landform does your pattern of contours represent? How do you know this? 3. Check your partner's map Did your partner draw each of the contour lines in the correct p ​