<page_title> List of United States Senators in the 104th Congress by seniority </page_title> <section_title> U.S. Senate seniority list </section_title> <table> <cell> 7 <col_header> Rank </col_header> <col_header> 1 </col_header> <col_header> 2 </col_header> <col_header> 3 </col_header> <col_header> 4 </col_header> <col_header> 5 </col_header> <col_header> 6 </col_header> </cell> <cell> Mark Hatfield (R-OR) <col_header> Senator (party-state) </col_header> <row_header> 7 </row_header> </cell> </table>
Mark Hatfield was the 7th senior Senator.