263.266. It shall be the duty of public utilities, the statetransportation department, the county commission, railroads,drainage districts, township boards, special road districtsand other public and quasi-public corporations to followrecommendations of the Missouri college of agriculture asto the best and approved method to control, eradicate and preventthe dissemination of Johnson grass.
(L. 1957 p. 9 ยง 5)