• 5 Videos, Slides, Films

• 1 DVDs

• 2 Effect of human beings on
• 2 Environmental aspects
• 2 Environmental conditions
• 2 Environmental degradation
• 2 Nature
• 2 Tourism
• 1 Geology
• 1 Harbor seal
• 1 Natural history
• 1 Peregrine falcon
• 1 Shore birds

• 2 Bowermaster, Jon, 1954-
• 2 Green Planet Films
• 1 Alexander Street Press
• 1 Beaver, Chris
• 1 De Lancey, John, approximately 1741-1829
• 1 Finley-Holiday Film Corporation
• 1 FotoKom (Firm)
• 1 Grabowska, John
• 1 Irving, Judy
• 1 Lay, Tim
• 1 Radio televizija Slovenija
• 1 United States. National Park Service
• 1 Vranič, Matej
• 1 Windrose SAS
• 1 Yanehiro, Jan
• 1 Yellowstone Association

• 5 English

• 2 Galapagos Islands
• 1 California
• 1 San Francisco Bay Area
• 1 San Francisco Bay Area (Calif.)
• 1 Slovenia
• 1 Yellowstone National Park

• 1 Environmental films
• 1 Internet videos
• 1 Nature films
• 1 Nonfiction films
• 1 Science films
• 1 Video recordings for the hearing impaired

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