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Understanding Topographic Maps and Contour Lines

Learn about topographic maps, contour lines, elevation, river features, and how to interpret the natural and man-made surface features of the land.

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Understanding Topographic Maps and Contour Lines

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  1. Topography Topographic Maps The natural and man-made surface features of the land Show the topography of an area Section 3.3Topographic Maps

  2. Contour Lines Narrow lines (brown) that indicate the elevation above sea level

  3. Contour interval The change in elevation between two consecutive contour lines

  4. Slope The steepness of the landscape

  5. Gentle sloping hill Steep hill Contour lines are farther apart Contour lines are closer together

  6. Depression contour lines Show craters or volcanoes

  7. Rivers The contour lines curve and point toward the source or the starting point of the river

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