Mo. Rev. Stat. § 226.250: Authorized to acquire, by lease, purchase, or condemnation, plants or factories.

With the approval in writing of the governor, the state transportation department or other body designated by law to have charge of the state highways of the state of Missouri is hereby authorized to acquire by lease or purchase or condemnation, plants and factories used or useful in the production or manufacture of sand, gravel, clay, rock, cement, brick or other road building or road maintenance material.