The person so appointed shall be termed a viewer, and he shall be sworn by some person or officer authorized by law to administer oaths, before entering upon his duties, to faithfully and impartially discharge his duties, and he shall file his oath in the office of the county clerk. He shall not be confined to the precise matter of the petition, but may inquire or determine whether that, or any road, in the vicinity of the proposed or altered road, answering the same purpose is required.
W.S. 24-3-104