TY  - ADVS
AU  - de Graaf,John
ED  - KCTS Television
TI  - For earth's sake: the life and times of David Brower 
PY  - 1989///
CY  - Oley, PA
PB  - Bullfrog Films
KW  - Brower, David Ross,
KW  - Conservation of natural resources
KW  - Environmentalists
N1  - Copy in DVD Format; Director of photography, Tom Speer ; associate producer, Carolyn Gates; Narrator: Leila Gorbman
N2  - A portrait of David Brower, America's leading environmentalist. He was instrumental in establishing some of America's most spectacular national parks
ER  -