STK-ID 10913

MS and CS of Bob Lewis talking about the variety of forest types to maintain balanced ecosystem, addressing a group of people with some CSs of individuals in group and explaining the evolution of salt mounds and sink holes. LACSs of small sink hole, people stepping over it. MSs of Bob Lewis talking to group again. MSs of Bob Lewis and group around a large sink hole. More MSs and CSs of Bob Lewis and members of group as lecture continues.


Excerpt from
From Ashes to Forest
Alberta Heartland
National Film Board
Available formats
Reel 16 mm, Video HI 8
Shooting format
16mm eastman color neg, 35mm dupe neg b&w
Aspect ratio