Mo. Rev. Stat. § 67.775: Use of facilities of other governmental agencies, when.

The board, by consent of those in charge, may use the facilities of other municipal or county departments, including those of schools and park boards and districts, if such use does not interfere with the primary purpose the facilities are intended to serve, and the trusteeship and responsibility for such physical properties and lands shall remain with the political subdivision which is responsible for them when not used for recreation.