Local tufa was used for building, but everything else had to be imported (including seeds, vegetables and fruit trees, all of which were cultivated on Green Mountain to supplement the locally-available diet of turtle meat).
Utilizouse toba local para a construción, pero todo o demais tivo que ser importado (incluíndo sementes, verduras e árbores froiteiras, todos os cales foron cultivados en Green Mountain para complementar a alimentación local dispoñible de carne de tartaruga).