DescriptionOil shale extraction overview.png English: Oil shale process diagram, some details removed by uploader Date March 2004 Source http://www.fossil...
image is a derivative work of the following images: File:Oil_shale_extraction_overview.png licensed with PD-USGov-DOE 2009-10-30T23:48:46Z Splette 1352x883...
DescriptionOil shale extraction overview ar.png العربية: عملية الرسم لمعالجة السجيل الزيتي، بعض المحتويات حُذفت بواسطة الرافع English: Oil shale process...
