a film by Frederick Wiseman ; director, producer, editor, sound, Frederick Wiseman ; a production of Ex Libris Films, LLC in association with Public Broadcasting Service (PBS), WGBH and Independent Television Service (ITVS) ; a Zipporah Films Release
Bullfrog Films presents ; a film by Lawrence Hott and Diane Garey ; written by Ken Chowder ; a co-production of Florentine Films/Hott Productions, Inc., America's River Communities, Inc. and WVIZ/PBS ideastream