File:OIL SHALE. IT IS THE KEROGEN IN THIS ROCK WHICH, WHEN HEATED TO 900 F., YIELDS OIL - NARA - 552543.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	08:06, 29 October 2011		2,024 × 3,000 (641 KB)	US National Archives bot	== {{int:filedesc}} == {{NARA-image-full \| Title = OIL SHALE. IT IS THE KEROGEN IN THIS ROCK WHICH, WHEN HEATED TO 900 F., YIELDS OIL \| Scope and content = \| General notes = \| ARC = 552543 \| Lo

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JPEG file comment	Portrait