Petosky Stone, fossil only found in Lake Michigan. The fossil coral is called "Hexagonaria percarinata"  uncovered by the glaciers of the last Ice Age.  macro by "cobalt123" on flickr / some rights reserved see: http://creativecommons.org/licenses/by-nc-sa/2.0/deed.en

Petosky Stone, fossil only found in Lake Michigan. The fossil coral is called "Hexagonaria percarinata" uncovered by the glaciers of the last Ice Age. macro by "cobalt123" on flickr / some rights reserved see: http://creativecommons.org/licenses/by-nc-sa/2.0/deed.en

Michigan Senator Coleman A. Young, bookmark for Michigan Reading Month. Developed while working with Michigan Senate Democratic Caucus.

Michigan Senator Coleman A. Young, bookmark for Michigan Reading Month. Developed while working with Michigan Senate Democratic Caucus.

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