| Color Space | Uncalibrated | Date/Time | 1936:09:30 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 | goatheads sandy soil Tribulus terrestris vegetation Drymaria enclosure |
| Caption | Drymaria experimental enclosure plot number 4 (1935), view of dense mat of vegetation consisting chiefly of goatheads (Tribulus terrestris) formed in gulley on plot 4. This area was furrowed with a plow and 3 inches of sandy soil which contained seeds placed in the bottom of the furrows. Original Photo Number 333066. |