Translate the following sentence into Turkish.
The raw material was pitch blende from the mines of Bohemia tons of it from which they plan to extract all the known elements until only a few ounces remain.
Tonlarcasının içerisinden küçük miktarlar kalana kadar bilinen tüm elementleri çıkaracakları ham madde Bohemya'nın madenlerinden gelen Pitch-blende'di.