Freshwater World
Giles Walker
1974 • 24m
This documentary explores a variety of projects undertaken by scientists at Environment Canada's Freshwater Institute in Winnipeg to study the processes that pollute or disrupt clean and balanced fres...
Cast
Giles Walker
1974 • 24m
This documentary explores a variety of projects undertaken by scientists at Environment Canada's Freshwater Institute in Winnipeg to study the processes that pollute or disrupt clean and balanced fres...
