Topography - study of shapes and features of the Earth's surface, Elevation - Height above sea level, Benchmark - A point that has been accurately measured for its position and elevation, Contour line - line that connects places on a topographic map that are all at the same elevation, Contour line interval - the vertical difference in elevation between neighboring contour lines, Relief - the difference between the highest elevation point and the lowest elevation point on the map, Topographic Map - Takes the 3-dimensional ups and downs of terrain and shows them on a 2-dimensional surface, Satellite map - a map made of pictures of the Earth taken from an earth-orbiting satellite, V shaped lines - represents a creek, river or stream on topographic map,

Topography

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