Draining Chicago

Chapter 4 Photos, 24–46

(photos 1–23 here and 47–69 here)

North Area Sewersheds and Watersheds

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Everything Goes Media

Lake Claremont Press

Lake Claremont Press: A Chicago Joint

S. Woodhouse Books

DC-Photo 4.29

Perhaps 8,000 of these standard sewer manhole covers are spread throughout Cook County, allowing access to the underground network of intercepting sewers, control chambers, and other vaults. Weighing about 70 pounds, the weight is only one deterrent to removing the cover as each cover is locked with a simple yet clever mechanism. The 21-inch-diameter opening in the frame into which the cover rests, limits the size of people and equipment going underground. (Photo by author)