USGS Scientist Mark Dreier with the Mass Spectrometer

A gloved scientist sits in front of a mass spectrometer

Detailed Description

USGS Scientist Mark Dreier works with a mass spectrometer in the Organic Geochemistry Laboratory with the USGS Energy Resources Program. Credit: Geoff Ellis, USGS.

Details

Image Dimensions: 1292 x 1770

Date Taken: