Preparing to manage wilderness in the twenty-first century : proceedings of the conference - State Botanical Gardens, Athens, Georgia, April 4-6, 1990
1990
Reed, Patrick C. |
Reed, Patrick C.
The economic value of wilderness : proceedings of the conference, Jackson, Wyoming, May 8-11, 1991
1992
Payne, Claire |
Bowker, J. M. |
Reed, Patrick C. |