Marengo warehouse, Underground storage facility in Marengo, United States.
Marengo warehouse is an underground storage facility housed within a former limestone quarry, extending roughly 160 feet below ground level. The site contains multiple warehouse sections built within the excavated rock chambers.
The site started as an active limestone quarry in 1886 when Joseph Garrow began extracting stone near a railroad line. During the 1930s, operations fully shifted to underground mining beneath the existing quarry.
The Department of Defense stores 10 million Meals Ready to Eat in this facility, supporting military food supply operations across the country.
The underground environment naturally maintains temperatures between 56 to 60 degrees Fahrenheit year-round, significantly reducing energy use for climate control. These consistent conditions make it ideal for storing goods that require stable temperatures.
A notable feature is an underground cultivation area where a company grows fresh vegetables like tomatoes and corn without natural sunlight. This creative use of the underground space demonstrates how the facility serves purposes beyond traditional storage.
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