Miss. Code § 65-7-73
In any county in the State of Mississippi in which there is located a branch experiment station, the boards of supervisors of such counties are hereby authorized, in their discretion, to open up, lay out, construct, and maintain public roads into and across the land owned by the State of Mississippi and used in connection with said branch experiment station. No petition shall be required to have such road opened up, laid out, constructed, and maintained, but the boards of supervisors of such counties are authorized to proceed with such work when requested so to do by the manager in charge of said branch experiment station. Boards of supervisors are hereby authorized to expend the funds of said county in opening up, laying out, constructing, and maintaining said roads.
Miss. Code § 65-7-73