<page_title> Oil shale in Estonia </page_title> <section_title> Mining </section_title> <table> <cell> Ojamaa <col_header> Mine </col_header> </cell> <cell> underground <col_header> Type </col_header> </cell> <cell> Viru Keemia Grupp <col_header> Owner(s) </col_header> </cell> </table>
The underground mine, operated by Viru Keemia Grupp, is located at Ojamaa.