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Draw a line between two points (A & B) across your map
On the edge of your blank sheet of paper mark where the contour lines intersect with the line between point A and B.
Use the map to label the height of each contour line you have marked
Draw a y-axis on your graph paper that represents height intervals of the contour lines.
Use the edge the blank piece of paper to draw the x-axis. It should be the same size as you original line on the map.
Use a ruler to mark the contour lines against the y-axis from the edge of the blank piece of paper.
Make sure your x and y axis is accurately labelled
Shade in your Landform to complete the Cross-section
Make sure you have followed the BALTSS conventions by including a Border, title and source.