300 dpi: (d1585-4.jpg)
640 pixels wide: (d1585-4.jpg)
 Image Number D1585-4 |
Technicians Gerald Hammel (left) and Alane Robinson prepare geranium leaves for grinding, extracting, and filtering, while entomologist Christopher Ranger (background) separates and purifies the active phytochemicals.
Photo by Stephen Ausmus.
