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In 2300 B.C. in ancient Sumeria the first known maps were made on a clay tablet.
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The USUGS created it's first map in 1879, the same year it was founded by Congress for the purpose of the "classification of the public lands."
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NASA launched the first satellites.
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A team of scientist from the American Museum of National History used Landsat images to find a new site of dinosaur and early mammal fossils in the Gobi Desert.
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Nasa launched another satellite, the Earth Observing System (EOS).