A example of a spot map developed by Jonathan Snow during the Cholera epidemic in London in 1854. See the author of a book entitled Ghost Map describe the event in a 10 minute TED video .
London 1854 Cholera Epidemic Spot Map
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A example of a spot map developed by Jonathan Snow during the Cholera epidemic in London in 1854. See the author of a book entitled Ghost Map describe the event in a 10 minute TED video .
London 1854 Cholera Epidemic Spot Map