Calamities bark
By I_gotta_rock
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Calamities sp., a bamboo-like plant closely related to modern horsetails with hollow, woody stem that grew more than 100 ft high (30m).
Carbondale, PA
Lewellyn Formation
Pennsylvanian period
299-323 myo
Photo Information
- Taken with Canon Canon EOS 80D
- Focal Length 38 mm
- Exposure Time 1/160
- f Aperture f/9.0
- ISO Speed 10000
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