The Letneye mine is a large copper mine located in the south-west region of Orenburg Oblast in Russia . The Mine Letneye is a large copper mine in the south-west of the Oblast Orenburg in Russia .
Lombong Letneye adalah lombong tembaga besar yang terletak di wilayah barat daya Oblast Orenburg di Rusia. Letneye Mine adalah lombong tembaga besar di barat daya Oblast Orenburg di Rusia.