Mo. R. Civ. P. 86.05
Upon the filing of the petition, a summons shall be issued giving the owners of the property involved at least ten days' notice of the time and place when said petition shall be heard, which summons shall be served in the manner provided for by these rules in ordinary civil cases. If the name, residence, or whereabouts of any of the owners be unknown, or if any of the owners do not reside within the state or for any other reason personal service cannot be had on them within the state, notice of the time and place of hearing of the petition shall be given by publication for three weeks consecutively, prior to the time of the hearing of the petition, in a newspaper published in the county in which the proceedings are pending, if one is published in said county, or, if no newspaper is published in the county, or the publishers shall refuse to publish the same, then by posting said notice for three consecutive weeks at the door of the courthouse of the county wherein the lands or any portion of them lie.
Mo. R. Civ. P. 86.05
Committee Note - 1959
New.
Compare: Section 523.030, RSMo 1959.