This study was funded primarily by the U. S. National Park Service (NPS) Natural
Resources Preservation Program. The American Association for University Women,
the Stockman Sportmen's Club, and the Theodore Roosevelt Memorial Fund of the
American Museum supported the activities of D.S. Additionally, Denali National
Park, the U.S. Fish and Wildlife Service, U. S. National Biological Service,
and the USDA North Central Forest Experiment Station contributed to the project.
Finally, we thank numerous National Park Service staff and various pilots for
helpful field assistance and Klaus Koepfli for editing the manuscript.
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