• 32 Videos, Slides, Films

• 32 Landforms
• 31 Earth sciences
• 31 Geography
• 31 Water use
• 16 Geology
• 13 Environmental sciences
• 13 Physical geology
• 10 Biotic communities
• 10 Ecological regions
• 10 Ecological zones
• 5 Earth (Planet)
• 5 Mantle
• 4 Outdoor recreation
• 4 Recreation
• 4 Recreation areas
• 3 Crust
• 3 Earth currents
• 3 Geodynamics
• 3 Geology, Structural
• 3 Lithosphere
• 1 Air
• 1 Climatic changes
• 1 Cooking

• 32 Films Media Group
• 13 Camille S. DeBose (Firm)
• 8 PBS (Firm)
• 5 National Geographic Digital Media (Firm)
• 2 BBC (Firm)
• 2 Cerebellum Corporation (Firm)
• 1 American Geosciences Institute (Firm)
• 1 Films for the Humanities & Sciences (Firm)
• 1 Meridian Education Corporation

• 32 English

• 1 Earth (Planet)

• 32 Internet videos
• 31 Video recordings for the hearing impaired
• 1 Educational films
• 1 Videorecording

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