%0 Dataset %T Sociological Study of Backcountry Users at Grand Canyon National Park, 1984-1985 %A Underhill, A. Heaton %A Stewart, William P. %A Manning, Robert E. %A Carpenter, Edwin H. %D 2006-01-12 %R 10.3886/ICPSR08543.v1 %I Inter-university Consortium for Political and Social Research [distributor]