produced in cooperation with the Invertebrate Zoology Section of the Milwaukee Public Museum ; with special assistance from Susan S. Borkin & Allen Young ; script and narration, Jim Ebner
producer, David Hestad ; editors, Frank Boll, David Hestad ; executive producer, Diane Kostecke ; [produced by WHA-TV in cooperation with the Wisconsin Department of Agriculture, Trade and Consumer Protection and the Wisconsin Energy Bureau]
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
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