John Snow’s Cholera Map using GIS Data - GIS Lounge

John Snow’s Cholera Map using GIS Data - GIS Lounge

John Snow’s cholera map helped to show that contaminated wells were at the center of outbreaks. His research helped save countless lives and set the foundation for the field of epidemiology

John Snow’s cholera map helped to show that contaminated wells were at the center of outbreaks. His research helped save countless lives and set the foundation for the field of epidemiology

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A reproduction of Dr. John Snow's map of Soho, mapping the cholera epidemic of 1854.

A reproduction of Dr. John Snow's map of Soho, mapping the cholera epidemic of 1854.

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Dr. John Snow's map of the 1854 London cholera outbreak. This changed the world.

Dr. John Snow's map of the 1854 London cholera outbreak. This changed the world.

Robin painstakingly georeferenced every cholera death and pump location, so we could recreate the map on a modern layout of London. We wondered what would happen if we tried to recreate the map using a modern tool, opting to try CartoDB, using the the lovely Stamen 'toner' projection to at least keep the background in common with Snow's London.

Robin painstakingly georeferenced every cholera death and pump location, so we could recreate the map on a modern layout of London. We wondered what would happen if we tried to recreate the map using a modern tool, opting to try CartoDB, using the the lovely Stamen 'toner' projection to at least keep the background in common with Snow's London.

Snow-cholera-map-1 - John Snow - Wikipedia

Snow-cholera-map-1 - John Snow - Wikipedia

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