The owners of all property sought to be condemned for the proposed improvement or who would be damaged by said improvement shall be made parties defendant. If the proceeding seeks to affect land owned by a minor or mental incompetent under legal disabilities, the legal guardian or conservator of such person shall be made party defendant. If such person has no legal guardian, the district court shall have the power to appoint a guardian ad litem to represent such person.
C.R.S. § 38-6-204