Contact: Diana Yates
University of Illinois at Urbana-Champaign
Caption: The researchers collected microbial samples more than a mile below the surface using a project well in Decatur, Illinois.
Credit: Jared Walker / Schlumberger
Usage Restrictions: Photo may be used only with stories about the research described in the news release. Credit required: Jared Walker / Schlumberger
Related news release: Oil- and metal-munching microbes dominate deep sandstone formations