Walnut Fm (?) Echinoid
This came out of a road cut on IH-10 near Kerrville, Texas. From a thick marl bed that I think is the Walnut just above the Glen Rose Fm.
Photo Information
- Taken with SONY SLT-A35
- Focal Length 55 mm
- Exposure Time 1/500
- f Aperture f/8.0
- ISO Speed 100
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