Fossil Rock Concretion Mazon Creek Annularia
plant rock old stone ancient evolution prehistoric fossil illinois paleontology fossilized concretion carboniferous mazon creek fossilization annularia pennsylvanian period
| Date | 2016:03:16 16:29:11 |
| exif:ExifOffset | 96 |
| Exposure | 6/10 |
| Flash | 16, 0 |
| F number | 11/1 |
| FocalLength | 55/1 |
| ISO | 100, 0 |
| Manufacturer | Canon |
| Model | Canon EOS REBEL SL1 |