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Showing results for tags 'petrified wood bone fragments'.
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I found these both in my lake in Ottertail county MN. The first piece is 4" long by 2" high. Is it petrified wood? How do you know how old it is or what type of wood? The second piece is 2.5" long by 1" and I am wondering if it is petrified wood and part of a tree branch or a petrified bone .