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Impacts of Wildlife Viewing
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Elk viewing in Pennsylvania: An evolving eco-tourism system.
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Bruce E. Lord, Charles H. Strauss, and Michael J.
Powell
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Competing values: A case
study of Pennsylvania’s elk herd as a tourism attraction.
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Jeffrey A. Walsh and Leonard K. Long
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Impacts of wildlife viewing at Dixville Notch Wildlife Viewing Area.
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Judith K. Silverberg, Peter J. Pekins, and Robert A.
Robertson
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