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7 terms

Science book 6 2.3 flashcards

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Topographic map
a map that shows the surface features or topography of the Earths surface
Elevation
height of an object above sea level
Contour line
A line on a topographic map that connects points of equal elevation
USGS
A federal government agency that makes the topographic maps for the United States
Contour interval
the difference in elevation from one contour line to the next
Relief
the difference in elevation between the highest and lowest parts of an area
Index contour
A darker, heavier contour line that is usually every fifth line and that is labeled by elevation.