oil shale

AF > Somalia > > Durdur Ad Tug
EU > Yugoslavia > Srbija (Serbia) > Valjevo-Mionica
NA > United States > Idaho > North Fork Rainy Creek Prospect
NA > United States > Idaho > Palisade Creek Coal And Phosphate Deposit
NA > United States > Wyoming > Alchem Trona Mine
NA > United States > Wyoming > Big Island Mine
NA > United States > Wyoming > Granger Mine