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Oak Brook in DuPage County, Illinois — The American Midwest (Great Lakes)
 

The Coldest Job in Town

 
 
The Coldest Job in Town Marker image. Click for full size.
Photographed by Sean P. Flynn, January 17, 2025
1. The Coldest Job in Town Marker
Inscription. Temperatures were in the single digits. Their muscles stung with cold, but the men continued to push their raspy saws through the foot of ice that covered Salt Creek. With steel poles they chipped away the last few inches before using cast-iron grappling hooks to stack the 100-pound blocks of ice onto waiting rafts. If the men were lucky, they stayed on top of the ice and out of the water, but even wet, the work went on.

At the end of a narrow channel of open water, the frozen cargo would reach its destination for the day: the Mammoth Spring Ice Company Ice House. Packed inside between double walls insulated with sawdust, the season's laborious harvest — all several thousand tons of it — would supply ice boxes in LaGrange, Western Springs, Hinsdale and South Elmhurst well into summer, a feat difficult to imagine in today's mechanically refrigerated world.

Crews like this carried out operations at the Mammoth Spring Ice Company Ice House on the coldest days of the year between 1880 and 1910. Today, on land now owned by the Forest Preserve District of DuPage County, only a few timbers along the bank remain of the company's
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historic operations.
 
Erected by Forest Preserve District of DuPage County; Fullersburg Historic Foundation.
 
Topics. This historical marker is listed in these topic lists: Industry & CommerceWaterways & Vessels. A significant historical year for this entry is 1880.
 
Location. 41° 49.282′ N, 87° 55.849′ W. Marker is in Oak Brook, Illinois, in DuPage County. It is on Spring Road west of Washington Street, on the right when traveling west. The marker is on a pathway along Salt Creek. Touch for map. Marker is in this post office area: Oak Brook IL 60523, United States of America. Touch for directions.

Regionally, this marker is in Greater Chicago. It is also in the American Midwest and on the Great Lakes. Globally, it is in North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once the territory of the Mississippian Culture and also the Northwest Territory.

Other nearby markers. At least 8 other markers are within 2 miles of this marker, measured as the crow flies: Ben Fuller House (approx. Ό mile away); The Men of V-1668 (approx. 0.3 miles away); Glacial Landscapers Inc.
The Coldest Job in Town Marker image. Click for full size.
Photographed by Sean P. Flynn, January 17, 2025
2. The Coldest Job in Town Marker
(approx. 0.6 miles away); Fox Hunt (approx. 0.8 miles away); Original Butler School Merry-Go-Round (approx. 1.1 miles away); The Memorial Building and Outdoor Plaza (approx. 1.2 miles away); Veeck Park (approx. 1½ miles away); Wolf Road Prairie (approx. 1.6 miles away). Touch for a list and map of all markers in Oak Brook.
 
Also see . . .
1. Hidden History of Mammoth Spring Icehouse. A blog by the Forest Preserve District of DuPage County
Excerpt: "If you look closely while walking along the Night Heron Trail at Fullersburg Woods Forest Preserve in Oak Brook, you can find a little piece of history. This secret remnant can be found just north of Washington Street between the entrance to Fullersburg Woods and Graue Mill. Buried along the banks of the creek are a few old-looking timbers that tell a story about a natural spring and how it served area residents for a time."
(Submitted on January 17, 2025, by Sean P. Flynn of Oak Park, Illinois.) 

2. The Historic Sites of Old Fullersburg.
Excerpt: "The Mammoth Spring Ice House was built in 1880 by John F. Ruchty, owner of the Mammoth Spring Ice Company, on Salt Creek
The Coldest Job in Town Marker image. Click for full size.
Photographed by Sean P. Flynn, January 17, 2025
3. The Coldest Job in Town Marker
An east-facing view
at the foot of Washington Street. The building was 100 feet long, 50 feet wide and 30 feet high, with double walls 18 inches thick filled with sawdust. The ice was packed in tiers, each layer covered with wood shavings."
(Submitted on January 17, 2025, by Sean P. Flynn of Oak Park, Illinois.) 
 
 
Credits. This page was last revised on January 19, 2025. It was originally submitted on January 17, 2025, by Sean P. Flynn of Oak Park, Illinois. This page has been viewed 134 times since then and 29 times this year. Photos:   1, 2, 3. submitted on January 17, 2025, by Sean P. Flynn of Oak Park, Illinois.
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Jul. 8, 2026