Porter Concretions (12 AUG 16 Trip)
All of the concretions collected from the Porter Washington trip on 12 AUG 16. Lincoln Creek Formation. US Quarter in lower right for size reference.
Photo Information
- Taken with Apple iPhone 5c
- Focal Length 4.1 mm
- Exposure Time 1/20
- f Aperture f/2.4
- ISO Speed 320
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