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Unleashing GIS power
In 1854 John Snow proved that a water pump in Soho, central London, was the cause of a cholera outbreak. He did so by plotting the deaths caused by cholera on a map to prove to the authorities there was a link between the location of the pump and the proximity of the victims. Since then mapping has become an integral part of work undertaken by emergency services. The ESRI UK Conference on October 29 illustrated how far mapping has come since 1854 and the benefits of the latest technological advancements.
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Image: The Queen Elizabeth II conference hall.
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