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Earth & Space Science

By amberwedding123

  • 1879

    1879
    USGS created its first map. The same year it was funded by congress.

  • 1940

    1940
    Plane-Table surveying remained the main method of mapping until the late 1940'

  • 1950

    1950
    Coast Guardsman prepared to take pictures durning a flight

  • 1972

    1972
    NASA launched its very first Landsat

  • 1999

    NASA launched another Landset