300 dpi: (k7531-3.jpg)
640 pixels wide: (k7531-3.jpg)
 Image Number K7531-3 |
At the derailment site, soil scientist Michael Russelle and plant geneticist JoAnn Lamb monitor the biological cleanup of nitrogen fertilizer with a unique alfalfa. Yellowing leaves in the foregound indicate an area of cleaner soil.
Photo by Bruce Fritz.
