prepared by Research Planning Institute, Inc. for National Park Service, U.S. Department of the Interior, and U.S. Agency for International Development
conducted by Sigurd Olson Institute of Environmental Studies, June, 1975 - August, 1975 in cooperation with National Park Service ; edited by Robert B. Brander, Robert K. Maxwell, and Craig A. Wickman
Date
1978
Series
Special report of the Sigurd Olson Institute ; no. 24