produced by the Sea Grant Institute, University of Wisconsin with grants from the Office of Outreach Development UW-Madison in cooperation with UW-Extension
a WGBH production in association with the British Broadcasting Corporation for Nova ; written and presented by David McCullough ; produced and directed by Carl Charlson
Galatée Films presents a co-production Galatée Films, France 2 Cinéma, France 3 Cinéma ... [and others] ; produced by Jacques Perrin, Christophe Barratier ; co-directed by Jacques Cluzard, Michel Debats
produced by Howard Hall Productions ; presenter: Devillier Donegan enterprises and Docstar ; Co-producer/Director: Howard Hall ; Co-producer: Michele Hall
produced by UW-Extension, Langlade County Land Records and Regulation Department, Vilas and Burnett County Land & Water Conservation Departments, Dragonfly Consulting
Alaska Department of Fish and Game and University of Alaska Sea Grant Marine Advisory Program ; produced, directed, written by Deborah Mercy, John Hyde