produced in partnership by Wisconsin Dept. of Natural Resources Fisheries Management & Water Resources Mgmt. ; a video production of Wisconsin Dept. of Natural Resources Bureau of Information and Education
a production of Public Affairs Television, Inc. ; written by Bill Moyers, David Brancaccio, Judy Stoeven Davies ; directed by Mark Ganguzza ; a presentation of Thirteen/WNET New York
a production of Public Affairs Television, Inc. ; written by Bill Moyers, David Brancaccio, Judy Stoeven Davies ; directed by Mark Ganguzza ; a presentation of Thirteen/WNET New York