Underground Chicago : CTA Subways, Freight Tunnels, Street Car Tunnels

Part of a series on underground Chicago. Previous: Sewers and Water Subway Tunnels: 11.4 miles CTA’s rapid transit system has two lines in tunnels underneath the central area. The Blue line is also underground between Logan Square and Belmont and at O’Hare. Small portions of the system are underground elsewhere.  One unique structure on the […]

Read More from Underground Chicago : CTA Subways, Freight Tunnels, Street Car Tunnels

Underground Chicago: Sewers and Water

Previous: Tunneling methods The next few posts will describe Chicago’s major underground networks. We will start with most important and least appreciated—sewers and water. Deep Tunnel: Planned 193 miles in Cook County. 300-350 feet down in limestone bedrock, up to 53 feet in diameter. Built late 20th century. Although largely unseen, the Deep Tunnel is […]

Read More from Underground Chicago: Sewers and Water

Underground Chicago: Early Tunnels

People rarely think much about what is under their feet, yet much of what makes a modern city livable is hidden underground. This impressive underground infrastructure includes water to drink and bathe in, sewers to take away smelly and unhealthy waste, gas to heat our houses, electricity to light and cool us, and telecommunications to keep […]

Read More from Underground Chicago: Early Tunnels

Chicago Municipal Code: How to Find and Research Historical Codes

Spoiler alert: This post is boring (but may be useful to some people). The Chicago Municipal Code is a one- to three-volume book that provides a subject arrangement of Chicago ordinances of a general and permanent nature. It is essentially an encyclopedia of Chicago law. People are interested in the historical codes for reasons legal, practical […]

Read More from Chicago Municipal Code: How to Find and Research Historical Codes

Journal of the Proceedings of the City Council of the City of Chicago, A Chicago History Classic

At first glance, a half million pages of dull-as-dishwater ordinances do not seem to qualify as a Chicago History Classic. However, like some people I know, the Journal of the Proceedings of the City Council of the City of Chicago may be said to have some redeeming features. Students and historians who want primary sources or […]

Read More from Journal of the Proceedings of the City Council of the City of Chicago, A Chicago History Classic

Report of the Board of Health of the City of Chicago : and a Sanitary History of Chicago from 1833-1870.

Nerdy and perhaps a bit morbid, but health statistics fascinate me. The Reports of the Board of Health of the City of Chicago document Chicago's fight against disease during the 19th century. Often disease won, but over the course of the century, steady progress occurred. After the establishment of Fort Dearborn in 1804, many of […]

Read More from Report of the Board of Health of the City of Chicago : and a Sanitary History of Chicago from 1833-1870.