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2 cards from this section. Quick, good the night before a test.
What do contour lines on a topographic map represent?
Think about what 'contour' indicates in geography.
When the contour lines are close together, what does it indicate?
Recall our mnemonic 'Close means Climb'.
What does a closely spaced contour line signify?
Remember our mnemonic about proximity.
True or False: Circular contour lines always indicate a valley.
Think about what circular patterns represent.
Given a topographic map with contour intervals of 20 meters, determine the elevation of a point marked at 3 contour lines above sea level.
Remember to multiply the number of lines by the interval.
Assuming a slope on a map runs from 200 meters to 400 meters over a distance of 2 kilometers, calculate the overall slope gradient.
Consider the change in height over the horizontal distance.
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