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Sep 12, 1000
2300 Bc
Frist maps were made on clay tablets around 2300 Bc -
USGS
the USGS created its frist map -
Flying pictures
People would take pictures of an area and would use the pictures to create msps eventually this method gave way to radar -
NASA
nasa lanched its frist Landsat satellite. the photographs produced an actuarate map. -
Measurements
Nasa lanched another satellite to measure the earths systems