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Displaying items 1 - 2 of 2
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1. Social conditions and preference data for visitors to three wilderness areas in the southern United States in 1989-1990

Author(s):
Watson, Alan E.; Daigle, John J.; Niccolucci, Michael J.

2. National river recreation study data: a nationwide survey of river recreation use from 1977-1984

Author(s):
Cole, David N.