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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