Heart Urchin group
Heart urchin group on ammonite cast. Overall size 11" long. I think this creek is in the Pawpaw formation, but could be Duck Creek?
Photo Information
- Taken with NIKON COOLPIX P510
- Focal Length 7.6 mm
- Exposure Time 10/500
- f Aperture f/3.4
- ISO Speed 140
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