based on a symposium held May 15, 1975, and sponsored by the Sigurd Olson Institute of Environmental Studies and the Native American Studies Program of Northland College ; edited by Donald G. Albrecht
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