306 Main Library

sc@library.illinois.edu

217.244.1331

 

 

Hours

Mon-Th:11am-7pm
Friday: 11am-6pm

Data for Library GIS workshop - Snow's Soho map

This is a presentation that takes John Snow's original map of cholera in Soho from 1854 and adds new visualizations.

John Snow's map of Soho

John Snow's 1854 map of Soho London.

Presentation - ArcMap example: Georeferencing, creating point shape files, Thiessen/Voroni polygons, Hot Spots

The map with people and pumps layers is here.

A Base map is here.