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Please read BHL's Acknowledgment of Harmful Content
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  1. By: United States. Branch of Range and Wildlife Habitat Ecology and Management Research. - United States. Forest Service. Branch of Range and Wildlife Habitat Ecology and Management Research.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, Forest Service, 1970
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library