• 118 Videos, Slides, Films

• 83 Earth sciences
• 53 Earth (Planet)
• 40 Physical geography
• 36 Physical geology
• 30 Earth movements
• 30 Seismology
• 28 Mantle
• 28 Surface
• 27 Environmental sciences
• 25 Historical geology
• 22 Geography
• 20 Study and teaching
• 19 Natural resources
• 17 Crust
• 17 Geology, Structural
• 17 Landforms
• 16 Lithosphere
• 16 Water use
• 15 Earth currents
• 15 Geodynamics
• 13 Biotic communities
• 13 Ecological regions
• 13 Ecological zones
• 12 Biology

• 84 Infobase
• 35 Films for the Humanities & Sciences (Firm)
• 16 PBS (Firm)
• 12 Camille S. DeBose (Firm)
• 12 Cerebellum Corporation (Firm)
• 5 A&E Networks (Firm)
• 5 BBC (Firm)
• 5 BBC Worldwide Ltd
• 5 National Geographic Television & Film
• 4 National Geographic Society (U.S.)
• 4 Palomar Community College District (Firm)
• 4 Uniview Worldwide
• 3 BBC Worldwide Learning (Firm)
• 3 Cambridge Educational (Firm)
• 3 Off the Fence Productions
• 2 American Geosciences Institute (Firm)
• 2 CNBC (Television network)
• 2 Canadian Broadcasting Corp. (Firm)
• 2 Inside Science (Firm)
• 2 Video Education America (VEA) (Firm)
• 1 555 Productions, Inc
• 1 Academic Media (Firm)
• 1 Allegro Productions (Firm)
• 1 American Public Television (Firm)

• 117 English
• 1 Unknown

• 10 Earth (Planet)
• 5 United States
• 1 Arizona
• 1 Asia
• 1 Atacama Desert
• 1 Atacama Desert (Chile)
• 1 California
• 1 Chile
• 1 Death Valley (Calif. and Nev.)
• 1 Grand Canyon (Ariz.)
• 1 Great Basin
• 1 Hawaii
• 1 North America
• 1 Rocky Mountains
• 1 Sahara
• 1 Yellowstone National Park
• 1 Yosemite National Park (Calif.)
• 1 Yosemite National Park Region (Calif.)

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