| Color Space | Uncalibrated | Date/Time | 1931:01:01 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 | black grama quadrat |
| Caption | Tuft area based on annual chartings of black grama quadrats clipped at 2 and 1 inches above the ground at various intervals, 1925-1931. Original Photo Number 450765. |