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An excerpt from the cover of "A Field Guide to Michigan Crayfish, showing a crayfish overlaying a creek with stones under water.
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Field Guide: Michigan Crayfish

Adult Education College High School Middle School Nonformal Education

Michigan DNR logo Michigan State University Extension logo

A comprehensive field guide on native and invasive crayfish species found in Michigan including explanations on terminology and information on crayfish life history, anatomy, identifying characteristics and known range.

Download the Field Guide here

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Dressed in her scuba gear, Victoria Kiefer, maritime archaeologist, Wisconsin Historical Society hovers above a shipwreck. The wreck has a fuzzy appearance due to the greenish algae growing on its surface. A yellow measuring tape floats above the length of the ship. A white dive slate, upon which measurements and drawings are being recorded, is another important piece of equipment.
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