Gray wolf - Michigan - Isle Royale National

“Few can rival what Rolf Peterson has accomplished on Isle Royale. His study, a true classic, offers lessons and examples to us all who hope to do the same. This book reveals some of the secrets and d

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• Author: Peterson, Rolf
• Binding: Paperback
• Page Count: 192
• Publish Date: January 01 2008
• ISBN10: 0472032615
• Language: English