<page_title> 102nd United States Congress </page_title> <section_title> House of Representatives </section_title> <table> <cell> Mo Udall (D) <col_header> Vacator </col_header> </cell> <cell> Resigned May 4, 1991 <col_header> Reason for change </col_header> </cell> <cell> Ed Pastor (D) <col_header> Successor </col_header> </cell> <cell> October 3, 1991 <col_header> Date of successor's formal installation </col_header> </cell> </table>
In the 102nd United States Congress, Mo Udall (D) resigned on May 4, 1991 and Ed Pastor (D) was appointed on, October 3, 1991.