• 7 Videos, Slides, Films

• 2 Environmental aspects
• 1 Brown bear
• 1 Dams
• 1 Ecology
• 1 Effect of environment on
• 1 Endangered species
• 1 Grizzly bear
• 1 History
• 1 Hopi Indians
• 1 Human beings
• 1 Hydroelectric power plants
• 1 Natural history
• 1 Nature
• 1 Nature conservation
• 1 Peacock, Douglas
• 1 Power utilization
• 1 Protest movements
• 1 Rafting (Sports)
• 1 Religious aspects
• 1 Sacred space

• 2 Bullfrog Films
• 2 Clark, Evan
• 1 Bagby, Rachel L.
• 1 Burgess, Kasimir
• 1 Cassidy, Oliver
• 1 Earth Image Films
• 1 Earthwise Entertainment
• 1 Filmhub (Firm)
• 1 Hogan, Jeff
• 1 Kamen, Chris
• 1 Masayesva, Victor
• 1 McBride, Anne S
• 1 McBride, Robert G
• 1 McLeod, Christopher
• 1 Peacock, Douglas

• 1 Australia
• 1 Franklin River (Tas.)
• 1 Montana
• 1 Tasmania
• 1 United States
• 1 Yellowstone National Park

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