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  1. 1

    Ecological zones in the southern Appalachians first approximation by United States. Forest Service. Southern Research Station

    Published: U.S. Dept. of Agriculture, Forest Service, Southern Research Station, 2005
    Description: iii, 41 pages : digital, PDF file.
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    Government Document Electronic Software eBook
  2. 2

    Rocks, ecosystems, partners, & gateways the components for the implementation of the California Coastal National Monument within California's "eleventh bioregion" by Hanks, Herrick E.

    Published: U.S. Dept. of the Interior, Bureau of Land Management, 2006
    Description: 12 pages : digital, PDF file.
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  3. 3

    The ecozones of the world : the ecological divisions of the geosphere 2nd ed. by Schultz, Jürgen, 1934-

    Published: Springer, 2005
    Description: 1 online resource (252 pages) : illustrations, maps.
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    eBook
  4. 4

    Terrestrial ecosystems, surficial lithology of the conterminous United States Version 1.0. by Cress, Jill J. (Jill Janene)

    Published: U.S. Dept. of the Interior, U.S. Geological Survey, 2010
    Description: 1 online resource (1 map) : color.
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    Government Document Electronic Map
  5. 5

    Terrestrial ecosystems, topographic moisture potential of the conterminous United States Version 1.0. by Cress, Jill J. (Jill Janene)

    Published: U.S. Dept. of the Interior, U.S. Geological Survey, 2009
    Description: 1 online resource (1 map) : color.
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    Government Document Electronic Map
  6. 6

    Ecoregions : the ecosystem geography of the oceans and continents Second edition. by Bailey, Robert G., 1939-

    Published: Springer, 2014
    Description: 1 online resource.
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    eBook
  7. 7

    The WPA Film Library : Drought-Induced Fires Burn Fields ca. 1990s by WPA Film Library (Firm)

    Published: The WPA Film Library, 1990
    Description: 1 online resource (1 video file (2 min., 21 sec)) : .
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  8. 8

    Missouri ecological classification system

    Published: United States Department of Agriculture, Natural Resources Conservation Service, 2013
    Description: 1 online resource (16 pages) : color illustrations, color maps.
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    Government Document eBook
  9. 9

    Oceans by Public Broadcasting Service (U.S.)

    Published: PBS, 2014
    Description: 1 online resource (1 video file (57 min., 10 sec)) : sound, color.
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  10. 10

    Introduction to Botany : Part 1-The Botany Series by Classroom Productions

    Published: Classroom Productions. Inc, 2005
    Description: 1 online resource (1 video file (33 min., 58 sec)) : sound, color.
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  11. 11

    Introduction to Botany : Part 2-The Botany Series by Classroom Productions

    Published: Classroom Productions. Inc, 2005
    Description: 1 online resource (1 video file (24 min., 23 sec)) : sound, color.
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  12. 12

    Photosynthesis-The Botany Series by Classroom Productions

    Published: Classroom Productions. Inc, 2005
    Description: 1 online resource (1 video file (29 min., 20 sec)) : sound, color.
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  13. 13

    The Tropical Rainforest Ecosystem by Pumpkin TV (Firm)

    Published: Pumpkin TV, 2016
    Description: 1 online resource (1 video file (22 min., 22 sec)) : sound, color.
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  14. 14

    Abundance on a Dry Land by Green Planet Films

    Published: Green Planet Films, 2015
    Description: 1 online resource (1 video file (52 min., 5 sec)) : sound, color.
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  15. 15

    Red Ice by Green Planet Films

    Published: Green Planet Films, 2014
    Description: 1 online resource (1 video file (55 min., 8 sec)) : sound, color.
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  16. 16

    Grand Canyon by National Geographic Digital Media (Firm)

    Published: National Geographic Digital Media, 2011
    Description: 1 online resource (1 video file (44 min., 12 sec)) : sound, color.
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  17. 17

    Gates of the Arctic by National Geographic Digital Media (Firm)

    Published: National Geographic Digital Media, 2011
    Description: 1 online resource (1 video file (44 min., 12 sec)) : sound, color.
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  18. 18

    Saguaro by National Geographic Digital Media (Firm)

    Published: National Geographic Digital Media, 2011
    Description: 1 online resource (1 video file (44 min., 12 sec)) : sound, color.
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  19. 19

    Ice Station Antarctica by BBC (Firm)

    Published: BBC, 2016
    Description: 1 online resource (1 video file (50 min., 27 sec)) : sound, color.
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  20. 20

    Weird Wonders of the World (Series 2) : Episode 1 by BBC (Firm)

    Published: BBC, 2016
    Description: 1 online resource (1 video file (48 min., 38 sec)) : sound, color.
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    Video