Ferns from St. Clair
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By Jeffrey P
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Pectopteris sp., Alethopteris serlii, Sphenophyllum emerginatum
Pennsylvanian
Llewellyn Formation
St. Clair, PA.
Photo Information
- Taken with Canon Canon PowerShot A470
- Focal Length 6.3 mm
- Exposure Time 1/4
- f Aperture f/3.0
- ISO Speed 200
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