<page_title> List of colonial governors of Mauritania </page_title> <section_title> List of colonial heads of Mauritania </section_title> <table> <cell> 21 November 1929 to 19 June 1931 <col_header> Tenure </col_header> </cell> <cell> René Héctor Émile Chazal, Lieutenant Governor <col_header> Incumbent </col_header> </cell> </table>
René Héctor Émile Chazal served as Lieutenant Governor of Mauritania from 21 November 1929 to 19 June 1931.