Figure 1-6 Relief Protrayal Legend

T-6A NAVIGATION

CHAPTER ONE

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Figure 1-6 Relief Protrayal Legend

A contour line connects points of equal elevation. Figure 1-7 shows the relationship between

contour lines and terrain. Notice the contours of steep slopes are close together and on gentle

slopes they are farther apart. The interval of the contour lines usually depends upon the scale of

the chart and terrain depicted. Depression contours are indicated with spurs or ticks added on the

downslope side.

CHART LEGEND REVIEW

1-11