Go to Pennsylvania & My Other Daily Travels
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You have me wondering what causes it. That's fascinating.
posted by
FormerStudentIntern
on November 30, 2020 at 9:21 AM
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Wow! This is so interesting! I've always been drawn to rocks and love to collect them.
posted by
Goldiec
on November 30, 2020 at 6:39 AM
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What a cool mystery.
posted by
Sea_Gypsy
on November 29, 2020 at 4:22 PM
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Interesting.
posted by
Annicita
on November 29, 2020 at 3:03 PM
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