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Have you ever seen a map that shows not only the location of features on the Earth, but also how high or low they are? This information is known as topography, and maps which display elevation information are called topographic maps.
USGS EROS Archive - Digital Elevation - Why Map the World with Radar?
Have you ever seen a map that shows not only the location of features on the Earth, but also how high or low they are? This information is known as topography, and maps which display elevation information are called topographic maps.
Have you ever seen a map that shows not only the location of features on the Earth, but also how high or low they are? This information is known as topography, and maps which display elevation information are called topographic maps.
USGS EROS Archive - Digital Elevation - Why Map the World with Radar?
Have you ever seen a map that shows not only the location of features on the Earth, but also how high or low they are? This information is known as topography, and maps which display elevation information are called topographic maps.