O’Toole Inc., in Letts, Iowa.

O’Toole Inc., in Letts, Iowa

2021: For mid-sized agriculture companies, a no-frills storage dome, designed and constructed by Monolithic, is a money-maker. O'Toole, Inc. of Letts, Iowa, can store a wide range of fertilizers long-term in this 60-foot-diameter Monolithic Dome and save on energy and maintenance costs every year.

Monolithic has been building storage domes for 50 years. Storage facilities can range in diameter from 10 feet to 300 feet.

Image by Mike South via Monolithic Commons

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