Alethopteris2.JPG
Tree Fern leaf impression
Columbia County, Pennsylvania
Carboniferous
Lewellyn Formation
Photo Information
- Taken with Canon Canon EOS 40D
- Focal Length 75 mm
- Exposure Time 1/25
- f Aperture f/9.0
- ISO Speed 1600
By I_gotta_rock
Tree Fern leaf impression
Columbia County, Pennsylvania
Carboniferous
Lewellyn Formation
By JIMMFinsman,
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