prepared by the Ecosystem Principles, Objectives, Indicators, and Targets Committee of the Lake Superior Work Group in partnership with the Lake Superior Binational Forum
prepared by George W. Kling, ... [and others] ; with contribution from Richard L. Lindroth, ... [and others] ; a report of the Union of Concerned Scientists and the Ecological Society of America
[presented by] Common Ground Media, Inc. ; a film by Bill Benenson and Gene Rosow ; produced by Bill Benenson, Gene Rosow, Eleonore Dailly ; directed by Bill Benenson and Gene Rosow ; co-director, Eleonore Dailly