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Ryan Holen posted an image in the group What is it? from the myFOSSIL app 3 years, 4 months ago
3 years, 4 months ago3 years, 4 months agoWhat causes this?
Ryan Holen posted an image in the group What is it? from the myFOSSIL app 3 years, 4 months ago
What causes this?
Erosion