Image: Marion King Hubbert00
Marion_King_Hubbert00.jpg (400 × 250 pixels, file size: 18 KB, MIME type: image/jpeg)
Title: Marion King Hubbert00
Credit: http://www.postcarbon.org/a-personal-appreciation-of-m-king-hubbert/
Usage Terms: Fair use of copyrighted material in the context of M. King Hubbert
License: Fair use
License Link: //en.wikipedia.org/wiki/File:Marion_King_Hubbert00.jpg
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