| Color Space | Uncalibrated | Date/Time | 1936:04:23 16:05:27 |
| Orientation | 1: Normal (0 deg) | Resolution Unit | Inch |
| X Resolution | 300 dots per ResolutionUnit | Y Resolution | 300 dots per ResolutionUnit |
| Compression | Jpeg Compression | Keywords | Ephedra torreyana plant soil correlation root |
| Caption | Ephedra torreyana root system at plant soil correlation study number 2. Roots of this species are thrown into various contortions by zones of clay contortions or caliche. Roots often start back to the surface parallel to their original path for a distance of 2 feet or more. Original photo number 156. |